A unicorn running on a beach at 6 m/s changes speed at a constant rate of 2.5 m/s 2 over a period of 1 seconds. What distance did the unicorn travel
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A unicorn running on a beach at 6 m/s changes speed at a

constant rate of 2.5 m/s2 over a period of 1 seconds. What distance did the unicorn travel during this process?


In a fit, a toddler throws straight down his favorite 1 kg toy with an initial velocity of 2 m/s. What is the magnitude of the velocity in m/s of the toy when it strikes the ground 0.1 seconds later?



A 55-kg woman in an elevator is accelerating downward at a rate of 1.4 m/s2. What is the magnitude of the force exerted by the elevator floor on the woman's feet?


Two people play tug of war. The 103-kg person on the left pulls with 1,034 N, and the 72-kg person on the right pulls with 846 N. Assume that neither person releases their grip on the rope with either hand at any time, assume that the rope is always taut, and assume that the rope does not stretch. What is the magnitude of the tension in the rope in Newtons?


A 108-kg box on the right and a 46-kg box on the left are tied together by a horizontal cable. The 108-kg box is acted upon by an external force of 581 N to the right. The frictional force exerted by the floor on the 108-kg box is 30 N and the frictional force exerted by the floor on the 46-kg box is 12 N. What is the magnitude of the tension in the connecting cable?

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1. A unicorn running on a beach at 6 m/s changes speed at a constant rate of 2.5 m/s2 over a
period of 1 second. What distance did the unicorn travel during this process?
Solution
u = 6 m/s, a =...

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