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mote1985 [20]
2 years ago
13

How can a large force result in a relatively small power?

Physics
1 answer:
Sav [38]2 years ago
8 0

Answer:

hey mate here is your answer

So if an object has a very small velocity (not moving very far over time, even though a large force may be applied to it, the Power will remain small. ... Stepping on the gas, or "speeding up" the car, is applying a force which will increase velocity and increase power.

please mark me as a brainliest

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Elsa runs 100m. She takes 20s to run this distance. What is Elsa's average speed?
Ne4ueva [31]

Answer:

Average speed = 5 m/s

Explanation:

Given the following data;

Distance = 100m

Time = 20 secs

To find the average speed;

Speed = distance/time

Substituting into the formula, we have;

Speed = 100/20

Speed = 5m/s

Therefore, Elsa's average speed is 5 meters per seconds.

7 0
3 years ago
Where would you weigh the most?
uranmaximum [27]

Answer:

mars

Explanation:

4 0
3 years ago
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A listener increases his distance from a sound source by a factor of 4.49.
noname [10]

Answer: Δβ (dB) = -13.1dB

Explanation:

The intensity of sound is inversely proportional to the square of the distance between them.

I ∝ 1/r²

I₁/I₂= r₂²/r₁² .....1

When the listener increases his distance from the source by a factor of 4.49.

Then,

r₂/r₁= 4.49

From equation 1

I₁/I₂ = (4.49)²

I₁/I₂ = 20.16

I₂/I₁ = 1/20.16

The change in sound intensity in dB can be given as

Δβ (dB) = 10 log(I₂/l₁) = 10log(1/20.6) = -13.1dB

6 0
3 years ago
If a star's radial velocity is -50 km/s, the frequency of its light would appear to be ______ (higher or lower) than its true fr
Phoenix [80]

Answer: If a star's radial velocity is -50 km/s, the frequency of its light would appear to be higher than its true frequency. We usually say that the star's wavelength is blue shifted.

Explanation:

Radial velocity is defined as the velocity of how an object is seen by the axis of a circle.

Then, if the radial velocity is -50km/s, this means that the radius is decreasing, and then that the star is coming towards the viewer.

as the star is coming towards the viewer, we will see a shorter wavelength, which implies that the frequency would appear to be bigger as it really is.

and this is called a blue shift, because the blue light is the visible light with the biggest frequency, while the red light is the visible light with the smallest frequency, then we have:

If a star's radial velocity is -50 km/s, the frequency of its light would appear to be higher than its true frequency. We usually say that the star's wavelength is blue shifted.

3 0
3 years ago
I need help with this question. Anyone?
cluponka [151]
The closest answer i would go with is b, I'm not completely sure because I'm not sure what the question actually means because there could be any meaning 
5 0
3 years ago
Read 2 more answers
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