2 years ago

Velocity is defined as:

Physics

1 answer:

gogolik [260]2 years ago

6 0

Velocity is defined as a change in position.

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Một chất điểm DĐĐH có phương trình x=Acos(omega t). Tìm thời gian chất điểm qua vtcb theo chiều dương lần thứ 2?

Arada [10]

Answer:

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3 years ago

The Earth’s radius is 6378.1 kilometers. If you were standing at the equator, you are essentially undergoing uniform circular mo

emmainna [20.7K]

Answer:

b. 84 minutes

Explanation:

$a_c=g$ = Centripetal acceleration = 9.81 m/s²

r = Radius of Earth = 6378.1 km

v = Velocity

Centripetal acceleration is given by

$a_c=\dfrac{v^2}{r}\\\Rightarrow v=\sqrt{a_cr}\\\Rightarrow v=\sqrt{9.81\times 6378100}\\\Rightarrow v=7910.06706\ m/s$

Time period is given by

$T=\dfrac{2\pi r}{v60}\\\Rightarrow T=\dfrac{2\pi 6378.1\times 10^3}{7910.06706\times 60}\\\Rightarrow T=84.43835\ minutes$

The time period of Earth’s rotation would be 84.43835 minutes

7 0

3 years ago

What is the STANDARD unit of measurement for velocity in Physics?

rusak2 [61]

Answer:

$m. {s}^{ - 1}$

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2 years ago

What keeps your feet form sliding out from underneath you with every step you take? (friction, gravity)

Vikki [24]

Gravity!! It also keeps the planets in orbit!

5 0

3 years ago

Read 2 more answers

Describe the forces acting on an object that is moving at a constant velocity.

Serhud [2]

Answer:

0 Newton

Explanation:

If the velocity becomes constant the acceleration will be zero and the net force will be zero because:

force = mass x acceleration

Since acceleration is 0:

force = mass x 0

force = 0

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2 years ago