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A daredevil is shot out of a cannon with an initial speed of at an angle of 40o above the horizontal.   A net is set up to catch the daredevil and a horizontal distance of 15 meters away.  How high in meters should the net be placed above the ground to catch the daredevil?  Round answer to tenths place.

Under what conditions is the average velocity equal to the instantaneous velocity?

A ball is kicked horizontally off a high building with a speed of  and lands 30 m from the base of the building.  How tall in meters is the building? Round answer to a whole number.

Convert 40 cm to km.

Which of the following objects has an acceleration that is NOT equal to zero?

Where does a baseball when it thrown at some angle θ to the horizontal experience its lowest speed?

A baseball is popped straight up in the air. While the ball is in freefall, what does its acceleration do?

Suppose a hitter pops up a baseball. If it leaves his bat at a speed of 65 and an angle of 70-degrees to the horizontal, what is its maximum height?

Part 1 – Multiple Choice  Choose the correct answer for the next 15 problems. There is no partial credit on these problems.

A truck is moving with a velocity of 20, and 4 seconds later it is moving at a velocity of 8. What is the truck’s average acceleration in ?