3 years ago

The earth exerts a force of 1.00 N on an object in free fall. What is the object’s mass?

Physics

1 answer:

sp2606 [1]3 years ago

7 0

Answer: 0.1kg

Explanation:

Force=1N

Acceleration due to gravity(g)=10m/s^2

Mass=force/g

Mass=1/10

Mass=0.1kg

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Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.3 km/s to −18.8 km/s o

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As per above given data

initial velocity = 19.3 km/s

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now in order to find the change in velocity

$\Delta v = v_f - v_i$

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Part b)

Now we need to find acceleration

acceleration is given by formula

$a = \frac{\Delta v}{\Delta t}$

given that

$\Delta v =- 3.81 * 10^4 m/s$

$\Delta t = 2.07 years = 6.53 * 10^7 s$

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