A student fires a cannonball vertically upwards with a speed of 39.0m/s. Determine all unknowns and answer the following questions. Neglect drag and the initial height and horizontal motion of the cannonball. What was the cannonball's maximum height? unit How long did the cannonball rise? unit What was the cannonball's total flight time? unit

A solid metal ball is thrown from the top of a building at an angle of 20° above the horizontal with an initial speed of 12 m/s. The ball lands on the ground 2.5 s after it is thrown. What is the height of the building (in m)? m Need Help? Submit Answer Read It

Question A1 An object slides off a frictionless, horizontal table from a height of 1.40 m above the floor. It strikes the floor a distance of 1.88 m from the base of the table. a) Calculate the speed with which the object leaves the table. b) Calculate the velocity (magnitude and direction) of the object just before it strikes the floor.

Steph Curry launches a basketball from a height of 2.36 m above the ground from the free throw line, which is 4.191 m to the left of the center of the hoop. The basketball makes it through the hoop, which is 3.048 meters above the ground, 1.13 seconds later. a.) what is the basketball's velocity when it leaves Steph's hands? b.) what is the basketball's velocity as it passes through the hoop?

A soccer ball is launched from the ground with an initial velocity v-18.1 m/s at an angle of 39.5° aboVe the horizontal. It hits a wall located a horizontal distance of 22.0 m from the launch point. Ax- What is the y component of the initial velocity? Provide your answer in m/s. Use 3 significant figures. Your Answer: Answer units

6. In the skateboarder scenario below, a Determine the skater's vertical displacement during the jump? b) To the nearest hundredth of a second, determine how long was the skateboarder in the air? A skateboarder rolls horizontally off the top of a staircase at a speed of m 14.5 m/s and lands at bottom of the stairs. The staircase has a horizontal length of 8.00 m. We can ignore air resistance.

An alaskan rescue plane drops a supply box to some stranded gold miners.  The plane has a horizontal velocity of 100.0 m/s and is at a height of 75 m when it drops the box.  What is the final velocity of the box as it hits the ground?  How far horizontally did the box travel before hitting the ground? A) Final box velocity      B) Horizontal travel of box

Several people stand on a bridge over a river.  The bridge is not level, so the people are all different heights above the river.  Each person throws a stone to the river. a) The first person is 26.8 m above the river and throws her stone with a speed of 16.6 m/s at an angle of 6 degrees to the horizontal (positive degrees are above horizontal, negative degrees are below).  How long does it take her stone to hit the water, in seconds? b) The second person is 19.0 m above the river and throws his stone with a speed of 17.1 m/s at an angle of -21.4 degrees to the horizontal (positive degrees are above horizontal, negative degrees are below).  What is the range of his stone, in meters? c)The third person is 9.1 m above the river and throws their stone with a speed of 6.5 m/s at an angle of 9.3 degrees to the horizontal (positive degrees are above horizontal, negative degrees are below).  What is the speed of this stone (in m/s) just before it strikes the river?

An airplane releases a ball as it flies parallel to the ground at a height of ℎ=145 m as shown in the figure. If the ball lands on the ground a horizontal distance equal to the height ℎ from the release point, calculate the speed ? of the plane. Neglect any effects due to air resistance, and use ?=9.81 m/s2 for the acceleration due to gravity.

A river flows due south with a speed of 2.8 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.9 m/s due east. The river is 600 mm wide. a-What is the magnitude of his velocity relative to the earth? b-What is the direction of his velocity relative to the earth? c-How much time is required to cross the river? d-How far south of his starting point will he reach the opposite bank?