Problem 1. During the science fair, a water rocket is launched at a velocity of 40 m/s in a direction making an angle of 45° upward with the horizontal. What is the maximum height reached by the water rocket?
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- A firefighter, a distance d from a burning building, directs a stream of water from a fire hose at angle i above the horizontal as shown in Figure P3.16. If the initial speed of the stream is vi, at what height h does the water strike the building? Figure P3.16When a projectile is fired with a velocity of 815 m/s at an angle of 37º above the horizontal, the maximum height reached by the projectile is what?A cannon is fired at an angle of 44°44° with the horizontal. If the cannonball has an initial velocity of 724 feet per second, how far (horizontally) will the shot travel? Assume the initial height of the projectile is 0 feet, and neglect air resistance.
- A rocket was launched at a 35-degree angle above the horizontal at an initial velocity of +55 m/s. What is the Vy and Vx of this rocket?Eddie Manalak is a Filipino stuntman, he wishes to cross the 520m distance between two tall buildings by being shot from a cannon. He wishes to be launched at 60° to the horizontal so that he can spend more time in waving to the crowd. With what speed must he be launched? ANS. 76.7 m/sA projectile is fired at ?0=433.0 m/s at an angle of ?=69.0 with respect to the horizontal. Assuming no air resistance, what is the range R of the projectile?
- a projectile is fired with an initial speed of 36.6 m/s at an angle of 42.2° above the horizontal on a long flat firing range.Determine (a) the maximum height reached by the projectile, (b) the total time in the air, (c) the range, and the (d) the speed of the projectile 1.50 s after firingA quarterback passes the football downfield at 19.0 m/s. It leaves his hand 1.70 m above the ground and is caught by a receiver 36.0 m away at the same height. What is the maximum height of the ball on its way to the receiver? so y0 = 1.7m x(t) = 36m , i guess i will need angle and t to get the answer, but i have no idea how to find themA frat boy throws a ping pong ball from 0.6 m above a table at 5 m/s and wants to land it in a 20 cm cup 1 m away along the table. At what angle above the horizontal should he throw it?
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