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- The surface of a pool table is h=0.710 m from the floor. The winner of a competition wants to know if he has broken the world speed record for the break shot of 32 mph (about 14.3 m/s). A. If the winner’s ball landed d=4.95 m from the table’s edge, calculate the speed of his break shot v0. Assume friction is negligible. B. At what speed v1 did his pool ball hit the ground? Image is attached below. Please show all work.A car is driving along a circular track of diameter d = 0.75 km at a constant speed of v = 22 m/s.a. Write an expression for the magnitude of acceleration a of the car in terms of the given parameter. b. What is the magnitude, in meters per second squared, of the acceleration a of the car. c. Write an expression for the minimum coefficient of the friction μ between the car's tires and the road that is required in order to keep the car going in a circle in terms of the given parameters.A box slides from rest down a curved slope. Its initial height is 31_m above the ground, and it comes off the slope 8.m above the ground. How fast is the box moving as it leaves the slope? Assume friction is negligible. 11.93_m/s В. 27.97_m/s С. 21.23_m/s 31.24 m/s 42.42 m/s F. А. D. Е. 36.12_m/s
- Pls help ASAPOn planet #3, you fire a projectile horizontally from the edge of a vertical cliff 69.9 m above the ground, with an initial speed of 59.8 m/s. The projectile lands 67.2 m away from the base of the cliff. What is the value of g for planet #3? a. 183.63 m/s^2 b. 110.71 m/s^2 c. 55.35 m/s^2 d. 49.18 m/s^2 2. On planet #4, you fire a projectile from the ground at an initial speed of 20.0 m/s at an angle of 43.1 degrees above the horizontal. The projectile lands 78.7 m away from the launch point. What is the value of g for planet #4? a. 3.5 m/s^2 b. 309.0 m/s^2 c. 211.6 m/s^2 d. 5.1 m/s^246. A 2.55 kg bucket of sand is attached to a 1.31 m long rope and is swung in a vertical circle. At the bottom of the circle the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle?A. 1.85 m/sB. 2.61 m/sC. 3.41 m/sD. 6.01 m/s
- 46. A 2.55 kg bucket of sand is attached to a 1.31 m long rope and is swung in a vertical circle. At the bottom of the circle the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle? A. 1.85 m/sB. 2.61 m/sC. 3.41 m/sD. 6.01 m/s Please choose one of these answers!!!!If you throw a ball with an initial horizontal velocity of 20 m/s and an initial vertical velocity of 40 m/s. a. What will be the vertical displacement after 3 seconds? b. What will be the horizontal displacement after 3 seconds? c. What will be the vertical velocity after 3 seconds? d. What will be the horizontal velocity after 3 seconds?A ball of mass 0.15 kg is attached to the end of 1.1 m long cord. The ball is swung in a vertical circle. Determine the minimum speed (in m/s) of the ball at the top of the motion so that the ball continues moving in a circle. a. 2.1 b. 4.5 c. 3.3 d. 1.7
- Q1. A 2 kg bob moves along a circular path in the vertical plane. When the bob is at the highest point, the bob has a speed of 6 m/s. Determine the tension in the cord at this moment 2m. A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented50 degrees above the horizontal and the cannon’s barrel is 8.0m above the ground. Youwant to position a mat that will catch the cannon ball.a. Determine how much time the cannon ball will spend in flight.b. Draw a force diagram for three points during the cannon ball’s flight (1) while itis being shot from the cannon, (2) when it is at its maximum height, and (3) whenit is half-way between the maximum height and the mat.c. Determine the horizontal distance from the end of the barrel where you shouldplace the mat so that it will catch the ball.d. How fast is the cannon ball moving just before it hits the mat?4. A 6.0 Kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 12.0 N. Find the speed of the block after it has moved 3.0 m if the surfaces in contact have a coefficient of kinetic friction of 0.15.* a. 1. 23 m/s b. 1.80 m/s c. 2.18 m/s d. 2.42 m/s