Problem 8. A baseball has a mass of 0.149 kg. to. If it is thrown with a speed of 55 m/s and after batting its speed is 65 m/s in the opposite direction, determine the magnitude of the change in momentum of the ball and the momentum applied to it with the bat. b. If the ball is in contact with the bat for 2 milliseconds, calculate the magnitude of the average force applied to the bat.
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- A-C thank you!a. Estimate the speed of an initially at rest 800-kg rocket sled on a horizontal frictionless surface after its engine fires with a thrust of 2.0 x 104 N for 10 s. b. A .06 kg tennis ball hits a wall with a velocity of 30 m/s and rebounds at about the same speed. What is the change in momentum of the ball from before the collision to after? c. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. What is the speed of the bowling ball after the collision? d. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. If the collision took 0.050 s, what average force was exerted on the pin?On an icy road, a 5000 kg truck rear-ends a 1200 kg car that had been traveling at 13 m/s, causing the truck to slow from 14 m/s to 12 m/s and the car to speed up. a. Sketch the situations before and after the collision. Also draw force diagrams for the truck and the carat one instant during the collision. b. Construct a qualitative impulse-momentum bar graph to represent the situation and write the momentum conservation equation. c. Find the final velocity of the car. e. Sketch a plausible velocity vs. time graph that shows the motions of both, the truck and the car before, during and after the collision. Explain why you drew the graphs this way.
- On a frictionless air track, a 0.175 kgkg glider moving at 1.20 m/sm/s to the right collides with and sticks to a stationary 0.275 kgkg glider. 1.What is the net momentum of this two-glider system before the collision? Use coordinates where +xx is in the direction of the initial motion of the lighter glider. 2.What must be the net momentum of this system after the collision? 3.Use your answers in Parts A and B to find the speed of the gliders after the collision. Is kinetic energy conserved during the collision?A 32-kg object #1 having an initial velocity of 42 m/s to the right collides with a 68kg object #2 moving to the left at 17 m/s. The coefficient of restitution for this collision is 0.68. Take right as the + direction.  A. Identify the type of collision. B. Determine the velocities of both objects following the impact. Identify as right or left in each case. C. Determine the percent of the initial kinetic energy lost in the collision.An air track glider is moving along at a steady speed of 3.60 m/s when a force of 1.20 N is applied in the direction opposite to the motion of the glider for a time of 2.40 s. The force then steadily decreases at a rate of 0.60 N/s for the next 3.00 seconds. a. Find the total impulse b. the final speed of the 250-g glider.
- I need help with question 8?A 75.0 kg rider sitting on a 7.9 kg bike is riding along at 8.8 m/s in the positive direction. The rider drags a foot on the ground and slows down to 5.5 m/s still in the positive direction. What is the change in momentum of the rider and bike? Submit Answer Tries 0/10 What is the impulse delivered by the ground to the rider's foot? Submit Answer Tries 0/10 What force is acting on the bike and rider if slowing down took 10.3 seconds? Submit Answer Tries 0/10 And, how far did the bike and rider travel during these 10.3 seconds? Submit Answer Tries 0/10A 0.13 kg baseball has a momentum of p = 11 kg*m/s as it is pitched toward home plate. A 4.2 kg bat swings at the baseball with a momentum of 28 kg*m/s and is in contact with the ball for 0.06 s. Assume the batter doesn't follow through like they should but instead the bat is at rest immediately after being in contact with the baseball (like bunting it). a.How much force was on the baseball when the bat was striking it? b.How much work was done on the baseball by the bat?
- Two particles of mass m₁ = 1.4 kg and m₂ = 2.6 kg are traveling with velocities v₁ = 4.6 m/s, and v₂ = 2.7 m/s as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude kg. m/s direction ° above the x-axis y V/₂ m₂ m1 xhow to do?You drop a steel ball and a clay ball, both of the same mass, from the same distance. The steel ball strikes the ground and rebounds with almost the same speed. The clay ball strikes the ground and sticks. Assume the collisions occur over roughly the same amount of time. Which ball exerted a greater force on the ground? Select the correct answer with the best explanation. A. The two exert the same force. Since they collide with the same initial momentum, they will exert thesame force.B. The clay ball exerts the greater force. Since it starts with some momentum and ends with no momen- tum, it undergoes a greater change in momentum than the steel ball, which rebounds with the same momentum (no change).C. The clay ball exerts the greater force. All of its energy is transferred to the floor, whereas the steelball rebounds with the same kinetic energy, doing no work on the floor.D. The steel ball exerts the greater force. Since it starts with some momentum and it reverses the direction of…