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Related Questions
A bus increases its velocity from 20m/s to 30m/s in 4s. Find its
acceleration.
(Ans: 2.5m/s?
Answers
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{2.5 \: m \: / \: {s} \: ^{2} }}}}}[/tex]
Explanation:
[tex] \star{ \text{ Given}}[/tex] :
Initial velocity ( u ) = 20 m / s
Final velocity ( v ) = 30 m / s
Time taken ( t ) = 4 second
[tex] \star{ \text{ \: To \: Find}}[/tex] :
Acceleration of a bus ( A ) = ?
We know,
[tex] \boxed{ \sf{acceleration \: ( \: a \: ) \: = \frac{final \: velocity(v) - \: initial \: velocity \: ( \: u \: )}{time \: taken \: ( \: t \: )}}} [/tex]
[tex] \longmapsto \: { \sf{ \: acceleration = \frac{30 - 20}{4} }}[/tex]
[tex] \longmapsto{ \sf{ \: acceleration = \frac{10}{4} }}[/tex]
[tex] \longmapsto{ \sf{acceleration = 2.5 \: m \: / \: {s} \: ^{2} }}[/tex]
The acceleration of bus = 2.5 m / s ²
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if there is a runner at first and the pitcher throws the ball to the catcher and the runner tries to steal second and the catcher throws to second and the runner breaks and tries to go back to first but the pitcher relizes what do you call that situation
Answers
That’s too confusing to understand
Which principle of sports rule provides the opportunity for equal competition for everyone?
Answers
Answer: Strict Equality
The Principle of Strict Equality. All competitors receive the same prize, irrespective of their ranking as winners and losers and whether or not such a ranking is employed. That is not to say that there are literally no competitions or games which adhere to this principle.
Answer:
Fairness
Explanation:
What Happens to Energy during Phase Changes?
Answers
Energy transfer, and transformation.
It is when energy changes from one form to another.
Hope This Helps, Good Luck!
Please help!!
If you move 3 meters East and move 4 meters north what is the distance and what is the displacement?
Answers
Answer:
Explanation:
The distance will be the total distannce covered during the journey.
If you move 3 meters East and move 4 meters north, then the distance will be calculated as;
Distance = distnace through East+distance through north
Distance = 3m + 4m
Distance = 7m
Displacement is the distance covered in a specified direction. It is the shortest distance covered by me. This can be gotten using the Pythagoras theorem.
d² = 3²+4²
d² = 9+16
d² = 25
d = √25
d = 5m
Hence the displacement of the object is 5metres
3. A man heads up a trail going north to see a lake. The trail is 5 miles long and it takes him
2 hours to get there. What was his velocity?
Answers
Answer:
v = 2.5 mi/h
Explanation:
The velocity of an object is defined as the time rate of change of its position. In other words the velocity of an object is just a ration of displacement covered by the object to the time taken by the object, to cover that distance. So, in this case we will use the same formula or equation to calculate the velocity of the man. The formula is as follows:
v = s/t
where,
v = velocity of the man = ?
s = distance of the trail = 5 miles
t = time required to complete the trail = 2 h
Therefore,
v = 5 miles/ 2 h
v = 2.5 mi/h
which of the filling is a result of the transfer of energy?
answer: sound
why is it sound???
Answers
Explanation:
the speed of sound depends on the particles of the medium of the sound wave is moving through because the particles in the solid and tightly packed together South Wales weekly transfers energy from particle to particle in a solid
You are going for a drive, but a detour takes you out of the way of your destination. You
drive north for 10 miles, turn right and drive east for 5 miles, turn to the north and drive for 3
miles, drive west for 10 miles, and arrive at your destination.
a) How far from where you started did you end up?
b) If you wanted to travel directly to your destination without following the streets (“as the
crow flies”), what angle would you take? What direction would a compass read?
c) Now try adding the vectors in a different order. For example, start with the 5 miles east,
then 3 miles north, etc., as long as you add all four vectors. Compare the result to the sum
in part a). Draw the vectors in the order you used.
Answers
Answer:
(a). The distance between started point and end point is 13.92 miles.
(b), The direction is 68.9° north - west.
Explanation:
Given that,
You drive north for 10 miles, turn right and drive east for 5 miles, turn to the north and drive for 3 miles, drive west for 10 miles, and arrive at your destination.
According to diagram
(a).We need to calculate the distance
Using pythagorean theorem
[tex]EO=\sqrt{(ED)^2+(DO)^2}[/tex]
Put the value into the formula
[tex]EO=\sqrt{5^2+(13)^2}[/tex]
[tex]EO=13.92\ miles[/tex]
(b). We need to calculate the direction
Using formula of direction
[tex]\theta=\tan^{-1}(\dfrac{OD}{DE})[/tex]
Put the value into the formula
[tex]\theta=\tan^{-1}(\dfrac{13}{5})[/tex]
[tex]\theta=68.9^{\circ}[/tex]
The direction is 68.9° north - west.
(c). We need to draw a vector diagram
According to vector diagram,
The distance between started point and end point will be same.
Hence, (a). The distance between started point and end point is 13.92 miles.
(b), The direction is 68.9° north - west.
Which pair of objects has the largest gravitational force?
Choose the correct answer.
marble and car
marble and baseball
car and bowling ball
There is no gravitational force between any of these pairs of objects.
Answers
IF all the pairs are separated by the same distance, then it's the car and the bowling ball.
If I can move them as far apart as I want, then I can make ANY of them have the greatest gravitational attraction between them.
Please solve this no.1 for me
I do not want any weird or wrong answer or else I’ll report
If u can’t do this don’t write weird stuffs on the answer side
Answers
Answer:
metallic movement when u heat up metal it get bigger
Explanation:
let's say u had metal ball with a metal ring u heat the metal ball up it won't fit in the ring
A model used in studying submarines in different parts of the ocean uses a
scale of 1:500. If a submarine is 1,000 m below the surface of the ocean, how
far below sea level is the submarine in the model?
A. 2 ft
B. 2 m
C. 0.5 m
D. 5 m
Answers
Answer:
its B aka 2m
Explanation:
i did it on apex
If a submarine is 1,000 m below the surface of the ocean, sea level is 2 meter below the submarine in the model.
What is ratio?A ratio in mathematics demonstrates how many times one number is present in another. For instance, if a dish of fruit contains eight oranges and six lemons, the ratio of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the ratio 4:3). The ratio of oranges to the overall amount of fruit is 8:14, and the ratio of lemons to oranges is 6:8 (or 3:4). (or 4:7).
A ratio can have any number of quantities, such as counts of people or things or measurements of length, weight, time, etc. Both numbers must be positive in most situations.
Let, sea level is x meter below the submarine in the model.
According to the question:
x: 1000 =1:500
x/1000 = 1/500
x = 1000/500
x = 2
Hence, the sea level is 2 meter below the submarine in the model.
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a liter contains 1,000 smaller units called  milliliters , true or false
Answers
True :) ..............
02.04 Thermal Energy and Chemical Change lab report
Answers
Answer:
You should use the evaporative cooler
Explanation:
Because its not fast but will help you remover around the tracks.
If you could choose one job or career related to environmental science what would it be
Answers
Answer:
I would love to be a gardener :)
Explanation:
Plants are kool!!!
i don’t know the answer too 4649ml=________L
Answers
Answer:
the answer is 4.649 liters
Answer: The answer is 4.56L
You raise a penny for ever meter you walk, You walk 15 kilometers. How much money did you raise??
Answers
Answer: 15,000 pennies
Explanation:
Answer:
15000 pennies = 150 dollars
Explanation:
1 kilometer = 1000 meters
15 kilometers = 15000
15000 pennies / 100 pennies =150 pennies
15000 pennies converted to dollars is 150
A friend waves & yells at you. If the sound took 3.20 seconds to reach you and the speed of sound is 340 m/s,
how far away was your friend?
Answers
Answer:
1088 m
Explanation:
3.00 seconds times by 340 =1020+68=1088
An observer sitting at a bus stop sees the bus drive by at 30 m/s to the east. He also sees a
passenger on the bus walking to the back at 2 m/s. What is the passenger's velocity relative
to the bus?
Answers
Answer:
32 m/s
Explanation:
The speed of a bus is 30 m/s due East wrt the passenger
He also sees a passenger on the bus walking to the back at 2 m/s.
We need to find the passenger's velocity relative to the bus. As the observer sees that the bus and the passenger are moving in opposite direction. Let v is the relative velocity. So,
v = 30 m/s + 2 m/s
v = 32 m/s
Hence, the passenger's velocity relative to the bus is 32 m/s.
A boat travels at a constant speed of 12.0m/s for 97s. How far does it go?
Answers
Answer:
your mama
Explanation:
because i said so
Answer:
1164m
Explanation:
speed=distance/time, therefore Distance=speed*time.
Now that we have our equation, we plug in the variables, as we do not need to convert our units.
12*97= 1164 m
Convert 285,000 milliliters to decaliters.
Answers
Answer:
The answer is 28.5 decaliters
A circular pizza into 3 equal parts, one piece of pizza is taken out. Estimate the degree measure of the single piece of pizza and convert the measure into radians. What is the radian measure of the angle of the remaining part of pizza?
Answers
Answer:
A circular pizza has a angle of 360 degrees. When you cut it into 3 equal pieces you divide 360 by 3,you get 120 degrees. And following the conversion of 120 degree into radian you get 2pie/3 radians.
Answer:
Explanation:
The total degree of the circle = 360°
It is divided into 3 equal parts, so each part becomes 360 / 3 = 120°
conversion of 120 degree into radian you get 2pie/3 radians.
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A student leaves their history classroom and walks 20 meters north to a drinking fountain. Then the student turns and walks 50 meters south to their art classroom. What is the magnitude of the total distance traveled by the student?
a. 20 m
b. 30 m
c. 50 m
d. 70 m
Answers
Answer:
D
Explanation: Given that a student leaves their history classroom and walks 20 meters north to a drinking fountain. Then the student turns and walks 50 meters south to their art classroom.
The distance is a scalar quantity.
The distance = 50 + 20
distance = 70 metres
Therefore, the magnitude of the total distance traveled by the student is 70 metres. Which is option D
Help me please I only have a few minutes to get this doneplease and thank q
Answers
LUZUJ ML)
Monique's family is moving to a town where surfing is a popular sport. She has never surfed but is excited to learn. Monique's father suggested
she practice her balance before attempting to surf. Which activity would best help Monique?
Answers
Answer:
b. Rollerblading.
Explanation:
Rollerblading involves balances.
What is the twisted ladder shape of the DNA called? 3D model nucleotides double helix single strand
Answers
Answer: double helix
Explanation: Double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating groups of sugar (deoxyribose) and phosphate groups.
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The twisted ladder shape of the DNA called double helix.
What is DNA?A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction.
Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides).
Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.
Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
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During a baseball game, a batter hits a high
pop-up.
If the ball remains in the air for 5.93 s, how
high above the point where it hits the bat
does it rise? Assume when it hits the ground
it hits at exactly the level of the bat. The
acceleration of gravity is 9.8 m/s
2. Answer in units of m.
Answers
Answer: 43.01 m
Explanation:
Given that :
Time ball uses in the air = 5.93, time it takes to reach maximum height and return = time of flight(T) = 5.93 s
TIME of flight (T) = 2 * time taken(t)
Where g = a = acceleration due to gravity = 9.8m/s²
S = 0.5at²
S = maximum height
Tjme taken (t) = time of flight / 2 = 5.93/2 = 2.965 s
Hence,
S = 0.5at²
S = 2 × 0.5 × 9.8 × 2.965²
S = 43.0770025
S = 43.01 m
Which of the three types of equations follows the law of conservation of mass?
Answers
Answer:
BE MORE DESCRIPTIVE
Explanation:
12x^2=108 i need help
Answers
Answer:
24
Explanation:
12 24 36 and go on
Answer:
3 or -3
Explanation:
3^2 or -3^2=9, And 12*9=108.
Kilometers per hour per second is a correct unit for acceleration. * True False
Answers
the unit for acceleration is metre per second 2
Metric system please help me I don’t know how to do this
Answers
Answer:
11. 6700L
12. 0.0000238
13. 1805
14. 3800
15. 1400
16. 0.01428
17. 0.0003585
18. 0.0415
19. 4060.0
20.0.105
