A cyclist is travelling at 21 km/h when she sees a stop sign ahead.  She applies the brakes and comes to a stop in 15 m.  The mass of the cyclist and the bike is 73 kg. a. Calculate the acceleration of the cyclist. b. Determine the coefficient of friction between the road and the bike tires.

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A: Just replace the values and its done

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Q: 1. Answer the following: a. Carlo walks 8 km East, then 5 km South and finally 6 km West. Find his…

A: Solution:

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A:

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A: a) We know ,    V=u+atgiven , V= 90km/h              = 90x1033600            = 25m/su=0t=10…

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A:

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A:

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A: Given, mass of the cart, m = 20 kgθ = 20°

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A:

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A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

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A:

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A: The option A is correct

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”