Problem-3: A ball of mass 200 gram strikes a wall perpendicular to its surface at a speed of 10 m/s and rebounds back at the speed of 5 m/s. It is in contact with the wall for 2 milli-sec. Find the average force exerted by the wall on the ball.

Leah is competing in the national diving championships.  She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction. a) Determine Leah’s speed in m/s when she strikes the water. b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop.  Determine the magnitude of the average force of water resistance in Newtons experienced by her body

A 4.0 kg ball is traveling at 11.9 m/s and strikes a wall. The ball bounces off the wall with a velocity of 4.2 m/s in the opposite direction. If the ball is in contact with the wall for 0.10 seconds, then the magnitude of the average force on the ball during contact is? Enter only a numerical answer. Do not include units in the answer box, else your response will be counted as incorrect.

A 2.64-kg steel ball strikes a massive wall at 10.0 m/s at an angle of 0 - 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is In contact with the wall for 0.164 s, what is the average force exerted by the wall on the ball? magnitude direction --Select- v

A ball has a mass of 10-Kg and is traveling to the right at 30 m/s. A second ball, which is suspended from a string and has a mass of 15-Kg, is traveling to the left at 12 m/s. The two balls experience an elastic head-on collision when the string is vertical. Determine:a) the speed of each ball after impactb) the height that the second ball will rise with respect to its lowest position (AFTER IMPACT)

Blocks A, B, and C are aligned along a straight line on a horizontal frictionless surface. The masses of the blocks are M, 3M and 4M, respectively. Block A is initially moving to the right along the same line at a speed v, as shown in the figure. Blocks B and C are initially at rest. Block A collides with and sticks to block B. The two blocks then collide with and stick to block C. What is the speed of * ?block C after the collisions Block A Block B Block C 8v v/4 0. v/3 O v/8 O

A 1.2-kg rubber ball of speed 8.0 m/s hits a floor and bounds back at speed of 6.0 m/s. Suppose the rubber ball is in contact with the floor for 2.0 ms, what is the magnitude of the average force exerted by the floor on the rubber ball? * O 1.2 kN. 7.7 kN. 8.4 kN. 9.1 kN. O 9.8 kN.