Practice Problems 1. What must your car's average speed be in order to travel 235 km in 2.75 h? 2. A bird can fly 25 km/

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Practice Problems 1 What Must Your Car S Average Speed Be In Order To Travel 235 Km In 2 75 H 2 A Bird Can Fly 25 Km 1 (144.08 KiB) Viewed 86 times

Practice Problems 1. What must your car's average speed be in order to travel 235 km in 2.75 h? 2. A bird can fly 25 km/h. How long does it take to fly 3.5 km? 3. A sports car accelerates from rest to 95 km/h in 4.3 s. What is its average acceleration in m/s?? 4. A car slows down from 28 m/s to rest in a distance of 88 m. What was its acceleration, assumed constant? 5. A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.55 s. How high is the cliff? 6. A car is driven 225 km west and then 98 km southwest (45°). What is the displacement of the car from the point of origin (magnitude and direction)? Draw a diagram. 7. A tiger leaps horizontally from a 7.5-m-high rock with a speed of 3.0 m/s. How far from the base of the rock will she land?