Answer:
South of East
Explanation:
If vector A points north and vector B points east, then vector C, calculated as C = B - A, will point in the direction of the resultant vector when subtracting vector A from vector B. Vector C points in the northeast direction.
Since vector A points north and vector B points east, we can visualize this on a coordinate plane. Let's assume that vector A has a magnitude of 1 and vector B has a magnitude of 1 as well. Vector A would be pointing directly upward (north), and vector B would be pointing directly to the right (east).
When subtracting vector A from vector B (C = B - A), we can visualize it by starting at the tail of vector A and drawing the resultant vector to the head of vector B. The resultant vector C would be a diagonal vector pointing northeast, forming a 45-degree angle with the positive x-axis. Therefore, vector C points in the northeast direction.
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A person sitting on a pier observes incoming waves that have a sinusoidal form with a distance of 2.5 m between the crests. If a wave laps against the pier every 5.0 s, what are (a) the frequency and (b) the speed of the wave?
Remember to identity all of your data, write the equation, and show your work. Additionally, be sure you have answered both a and b of this question.
Answer:The focal length of a lens is determined by the curve of the lens and the material that the lens is made from.
Explanation:
i just took the test
The frequency is 0.25Hz and the speed of the wave is 0.4m/s.
What is frequency and speed of the wave?Wave frequency is the number of waves that pass a fixed point in a given amount of time. This equation shows how the three factors are related: Speed = Wavelength x Wave Frequency.
To find the frequency and speed of the wave.λ=1.6m,T=4s
f=1/T
f=1/4s
f=0.25Hz
The frequency of the wave is 0.25Hz
speed=fλ
speed=(0.25×1.6)m/s
speed=0.4m/s.
The speed of the wave is 0.4m/s.
The frequency is 0.25Hz and the speed of the wave is 0.4m/s.
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An eletrical conductor is a material that allows _____ to travel through it freely
Answer:
it allows electric charges to travel through freely
A 75-W light bulb is turned on. It has an operating voltage of 120 V. (A)How much current flows through the bulb? (B)What is the resistance of the bulb? (C)How much energy is used each second?
Required Answer:
Given:
Power (P) = 75 W Voltage (V) = 120 V(A)
As we know that,
I = P/V↠ Current = 75/120
↠ Current = 0.625 A
(B)
R = V/IHere,
R is resistanceV is Voltage, and I is current↠ Resistance = 120/0.625
↠ Resistance = 192 Ω
(C)
Energy = P × tHere,
P is power T is time↠ Energy = 75 × 1
↠ Energy = 75 J
Relative gravitational potential energy depends on gravity, mass, and height measured from the ____.
Answer:
We dont have a understandable Ansewer for this
Explanation:
a 50 kg boy runs at 3 m/s. how much momentum does he have
Answer:
150 kg-m/s
Explanation:
momentum = m * v
50 * 3 = 150
A boat sails for 80 minutes and travels 3.6km. What was its average speed in m/s?
Answer:
Explanation:
The average speed of the boat:
[tex]\bar{v}=\frac{s}{t}=\frac{3.6}{80}=0.045[/tex] km/min
But if you want to change the unit into m/s, you only take this way:
[tex]0.045 \frac{km}{min}=\frac{0.045\times 1000}{60}=0.75[/tex] in m/s.
The average speed of the boat will be approximately 0.75 m/s.
What is Average speed?
Average speed is the rate of change of change of distance covered with time.
Given is a boat that sails for 80 minutes and travels 3.6 Km.
Distance covered by the boat [ΔD] = 3.6 Km = 3600 m
Time taken [Δt] = 80 minutes = 80 x 60 = 4800 s
Now, we can calculate the average speed using the formula -
s = ΔD/Δt
s = 3600/4800
s = 36/48
s = 0.75 m/s
Therefore, the average speed of the boat will be approximately 0.75 m/s.
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