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Arte-miy333 [17]
3 years ago
8

What is the relationship between the mass of the objects and the force exerted?

Physics
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects, and is inversely proportional to the square of the distance between them. The factors G, M, and r are the same for all masses at the surface of the Earth.

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Answer:

given,

initial velocity = 11.5 m/s

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a) using equation of motion

v = u + a t

v = 11.5 + 0.5 × 7

v = 15 m/s

b) s = u t + \dfrac{1}{2}at^2

s = 11.5\times 7 + \dfrac{1}{2}\times 0.5\times 7^2

s = 92.75 m

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d = 300 - 92.75

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time spend to travel 207.25

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t = 7 + 13.82

t = 20.82 s

time required to travel 300 m with initial velocity

t_0 =\dfrac{d}{v_0}

t_0 =\dfrac{300}{11.5}

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time saved due to acceleration

t = 26.09 - 20.82 = 5.27 s

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distance traveled by the second racer till first one finishes the race

d_2 = v_2t

d_2 = 11.8\times 20.82 = 245.676 m

distance behind the leader

d = 300 -5 -245.676 = 49.34 m

time behind the winner

t_f = \dfrac{d}{v_2} =\dfrac{49.34}{11.8} = 4.18 s

 

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