3 years ago

State: the units for acceleration are?

1 answer:

7 0

A unit of acceleration needs a unit of length in the numerator
and a squared unit of time in the denominator.

Example: meters / second²
      feet / minute²
      smoots / hour²
    furlongs / fortnight² .

Ideally, in order to completely describe an acceleration vector,
you also need to state a direction.

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A person walks 24 meters at 3 m/s. How long did it take them

asambeis [7]

Hi my dear friend,

2m*30 = 60m

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3 years ago

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An asteroid orbiting the Sun has a mass of 4.00×1016 kg. At a particular instant, it experiences a gravitational force of 3.14×1

Ksivusya [100]

<h2>The asteroid is 4.11 x 10¹¹ m far from Sun</h2>

Explanation:

We have gravitational force

$F=\frac{GMm}{r^2}$

Where G = 6.67 x 10⁻¹¹ N m²/kg²

M = Mass of body 1

M = Mass of body 2

r = Distance between them

Here we have

M = Mass of Sun = 1.99×10³⁰ kg

m = Mass of asteroid = 4.00×10¹⁶ kg

F = 3.14×10¹³ N

Substituting

$F=\frac{GMm}{r^2}\\\\3.14\times 10^{13}=\frac{6.67\times 10^{-11}\times 1.99\times 10^{30}\times 4\times 10^{16}}{r^2}\\\\r=4.11\times 10^{11}m$

The asteroid is 4.11 x 10¹¹ m far from Sun

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3 years ago

Which of the following identifies the number of protons in an atom?

Lunna [17]

Answer:

The number of protons can be found by looking at the atomic number

Explanation:

Its at the very top of the little element box

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3 years ago

A car is traveling in a straight line at a constant speed. The car's engine is exerting a constant force on the car. Explain why

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Answer:

because its not going down a long hill instead its going on a leveled street

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Explanation:

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