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Q1. Kathy Kool buys a sports car that can accelerate at the rate of4.21 m/s2. She decides to test the car by racing with another speedster, Stan Speedy. Bothstart from rest, but experienced Stan leaves the starting line .68 s before Kathy. Stan moves with a constant acceleration of3.14 m/s2, and Kathy maintains an acceleration of 4.21m/s2.

(a) Find time it takes Kathy to overtake Stan.
(b) Find distance she travels before she catches him.
(c) Find speeds of both cars at the instant she overtakes him.

Q2. An airplane is flying with a velocity of 93at an angle of 25 above the horizontal. When the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.

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  • Category:- Physics
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