Physics Practice Problems Projectile Motion: Horizontal & Negative Launch Practice Problems Solution: A car is parked on a steep incline making an angle...

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Solution: A car is parked on a steep incline making an angle of 37.0° below the horizontal and overlooking the ocean when its brakes fail and it begins to roll. Starting from rest at t 5 0 the car rolls down the incline with a constant acceleration of 4.00 m/s2 traveling 50.0 m to the edge of a vertical cliff. The cliff is 30.0 m above the ocean. Find (a) the speed of the car when it reaches the edge of the cliff (b) the time interval elapsed when it arrives there (c) the velocity of the car when it lands in the ocean (d) the total time interval the car is in motion and (e) the position of the car when it lands in the ocean relative to the base of the cliff.

Problem

A car is parked on a steep incline making an angle of 37.0° below the horizontal and overlooking the ocean when its brakes fail and it begins to roll. Starting from rest at t 5 0 the car rolls down the incline with a constant acceleration of 4.00 m/s2 traveling 50.0 m to the edge of a vertical cliff. The cliff is 30.0 m above the ocean. Find (a) the speed of the car when it reaches the edge of the cliff (b) the time interval elapsed when it arrives there (c) the velocity of the car when it lands in the ocean (d) the total time interval the car is in motion and (e) the position of the car when it lands in the ocean relative to the base of the cliff.

Additional Practice Problems

Projectile Motion: Horizontal & Negative Launch