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- plz don't copy the same wrong Ans. Dynamics subjectA 3500kg truck travels at 12 m/s when it hits a 10000 kg car that was parked besides the driveway. The collision causes the car to move at 15m/s.compute the velocity of the truck after the collision in tabular formA BALL WITH MASS OF 0.5 KG HITS A WALL WITH A VELOCITY OF 20 m/s. WALL * APPLIES 300O N FORCE TO THE BALL AND IT TURNS BACK WITH 10 m/s VELOCITY. FIND THE TIME OF BALL-WALL CONTACT. 1 Add file
- Two cars of the same mass approach an extremely icy four-way perpendicular intersection. Car A travels northward at 30 m/s and car B is travelling eastward. They collide and stick together, traveling at 28 north of east. What was the initial velocity of car B?A ramp of mass M is at rest on a horizontal surface. A small cart of mass m is placed at the top of the ramp and released. What are the velocities of the ramp and the cart relative to the ground at the instant the cart leaves the ramp?When serving a tennis ball, a player hits the ball when its velocity is 0. The racquet exerts a force of 535 N on the ball for 4.85 ms, giving it a final velocity of 44 m/s a) using the data, find the mass of the ball, in grams
- State Newton second law of motion in terms of momentum?A football of mass 500g approaches a players food at 4 m/s. The player kick it back along its original path, exerting a force of 45N opposite the direction of approaching ball. His foot is in contact with thr ball for 0.2s. Ignore the effect of friction. 1. Calculate the velocity at which the ball leaves the player's foot. 2. Calculate the change in momentum of the ball. 3. Use vector diagram to illustrate this change.Learning Goal: To understand the relationship between force, impulse, and momentum. The effect of a net force EF acting on an object is related both to the force and to the total time the force acts on the object. The physical quantity impulse J is a measure of both these effects. For a constant net force, the impulse is given by J = FAt. The impulse is a vector pointing in the same direction as the force vector. The units of J are N. sor kg · m/s. Recall that when a net force acts on an object, the object will accelerate, causing a change in its velocity. Hence the chiect's momentum in- mail will also change. The Figure F (N) L 12,000 0.0007 1 of 1 t (s) In Parts A, B, C consider the following situation. In a baseball game the batter swings and gets a good solid hit. His swing applies a force of 12,000 N to the ball for a time of 0.70 × 10-³ s. Part A Assuming that this force is constant, what is the magnitude J of the impulse on the ball? Enter your answer numerically in newton…
- Move over Jeff Bezos, this invention is about to make you the richest person in the world. You have just invented the OyOy. It is the very latest in home safety and is so easy to use! (Attatched Figure) If your building is on fire, simply reach out and grab the cord on the OyOy and you will be lowered safely toward the ground at a low velocity. The OyOy has a total mass of M = 93.5 kg and is shaped like a cylinder of radius R = 0.950 meters. The secret to the operation of the OyOy is its patented shaft whose radius is only r = 0.0840 meters. The cord is wound around the small shaft and this is the secret to your low velocity. Rotation-OyOy-Energy (Figure) We will use the approximation that the shaft is of negligible mass compared to the total. This means that you can treat the entire OyOy as though it is a solid cylinder with mass M and radius R. Imagine that a customer of mass m = 72.0 kg is using the OyOy and begins his decent from an initial height of y0 = 13.70 meters. Determine…A freight car moves along a frictionless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. Make a statement about what happens to the car and its velocity ? Provide equations and examples to support your pointWhile a 0,024 kg bullet is moving in the horizontal direction shown below, it hits a 44 kg block. After the impact, the bullet stayed in the block. Determine the velocity of the bullet before the impact if the angle e becomes 5 after the impact. 1 m