A tennis player hits a ball 2.0 m above the ground. The ball leaves his racquet with a speed of 19.0 m/s at an angle 4.5° above the horizontal. The horizontal distance to the net is 7.0 m, and the net is 1.0 m high. Part A Does the ball clear the net? Ο Yes No Submit ✓ Correct Part B Previous Answers By how much? Express your answer to two significant figures and include the appropriate units. h = Value Submit Request Answer Units ?

Please help me understand the math to this question. Thank you

A basketball (a hollow sphere) starts at rest and rolls down a roof. It rolls 4m before leaving the 30 degree roof.   a) What is the speed of the ball when it leaves the rooftop?    b) If the roof ledge is 5m high, how far away does the ball land from the house? (assume v= 3m/s if you could not solve part a)

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2.17

In the sport of billiards, event organizers often remove one of the rails on a pool table to allow players to measure the speed of their break shots (the opening shot of a game in which the player strikes a ball with his pool cue). V. o h d The top of a pool table is a height h = 3.25 ft from the floor. If a player's ball lands a distance d 14.75 ft from the table edge, what is her break shot speed vo? 12.3 Vo = mph Incorrect At what speed v did her pool ball hit the ground? 4.21 mph = Incorrect

The cliff divers of Acapulco push off horizontally from rock platforms about h = 41 m above the water, but they must clear rocky outcrops at water level that extend out into the water L = 4.1 m from the base of the cliff directly under their launch point (Figure 1). Part A What minimum pushoff speed is necessary to clear the rocks? Express your answer to two significant figures and include the appropriate units. ? Value Units Submit Request Answer Part B How long are they in the air? Express your answer to two significant figures and include the appropriate units. ? Figure Value Units %3D Submit Request Answer Provide Feedback P Pearson lyp NON- FOLLOW ME DESKTC WAVE ID

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part a, b, c please

Please provide the correct answer