- Q4 An Anti Aircraft Gun Placed On Top Of A 50 M Tower Has A Muzzle Velocity Of 250 M S And An Elevation Of 80 Above Th 1 (187.94 KiB) Viewed 55 times
Q6: In a shooting competition, contestants must shoot from the top of a 20 m tall hill to a target that is set on a wall at 50 m above ground level, 450 m away. One of the contestants shoots his rifle, that has a muzzle velocity of 300 m/s at an angle of 5° above the horizontal. (Ignore air resistance). a. Will the contestant hit the target? b. How far above or below the target will the bullet hit? Was the bullet moving upwards or downwards when it hit the wall? Why? 50 m 20 m 450 m c. [A: a. no, b. 1.75 m below, c. ...]
Q7: A basketball player 2 m tall wants to score a point from the free throw line 5 m from the basket. The basket is 3 m above the ground. The player reckons that, to have the best chance to put the ball through the basket, he needs to throw the ball at an angle of 70° above the horizontal. Determine at what speed does the player need to release the ball in order to score. / 70 3 m 2 m 5 m [A: 9.07 m/s]
Q1: A person kicks a ball horizontally at 12 m/s from the roof of an 80 m tall building. How long does the ball stay in the air? b. How far from the base of the building does the ball land? a. [A: a. 4.04 s, b.48.5 m ]
Q5: A person throws a rock from the origin. After 2.5 s, the rock reaches its maximum height and has a speed of 15 m/s. Find the horizontal distance (range) traveled by the rock before it hits the ground. [A: 75 m)