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"Education is the most powerful weapon which you can use to change the world”
– Nelson Mandela

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PS 5

PS 5

Q Question 1 2 / 2 pts Determine which of the following is in projectile motion. Remember that “projectile motion” means that gravity is the only means of acceleration for the object. You can ignore air resistance. Question 2 2 / 2 pts Imagine the path of a soccer ball in projectile motion. Which of the following is true at the highest point in its flight? Question 3 2 / 2 pts A ball of mass m is moving horizontally with speed v0 off a cliff of height h, as shown. How much time does it take the ball to travel from the edge of the cliff to the ground? IncorrectQuestion 4 1.5 / 2 pts A stone is thrown horizontally at a speed of 8.5 m/s from the edge of a cliff 68 m in height. How far from the base of the cliff (in m) will the stone strike the ground? The answer will not accept units. Question 5 2 / 2 pts A toy truck moves off the edge of a table that is 1.2 m high and lands 2.46 m from the base of the table. What was the horizontal velocity of the car (in m/s) when it hit the ground? Hint: Find the time of flight first! You will not be able to enter units.

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1.A package dropped out of an airplane as it ascends upward with constant speed. A baseball during a Barry Bonds home run. A basketball thrown towards a basket. A bullet shot out of a gun. 2.vx > 0,vy = 0,ax = 0, ay = ?9.8 m/s2.