A 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an 90.3 kg opponent running north with a speed of 2.07 m/s. What is the magnitude of the velocity of the players immediately after the tackle?
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A 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an 90.3 kg opponent running north with a speed of 2.07 m/s. What is the magnitude of the velocity of the players immediately after the tackle?
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- A 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an 60.4 kg opponent running north with a speed of 5.34 m/s. What is the magnitude of the velocity of the players immediately after the tackle?A skater of mass 72.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater approaches a child of mass 35.0 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?A 70.1 kg astronaut is holding a 8.1 kg tool pack while drifting at 10.4 m/s to the right. She throws the tool pack away so that it is drifting at 1.3 m/s to the left. How fast is she moving after the throw? Assume that they are out in deep space with no other forces acting on them.
- A 160 N net force acts right on a 20 kg object. If the initial velocity of the object is 20 m/s right, then what is the final velocity of the object after the net force has acted through a displacement of 50 m right?In a game of curling, a collision occurs between two stones of equal mass. The object stone is initially at rest. After the collision, the stone that is thrown hasa speed of 0.56m/s in some direction, represented by q. The object stone acquires a velocity vf2= 0.42m/s at an angle of f= 30.0o from the original direction of motion of the thrown stone. Determine the initial velocity of the thrown stone.A baseball approaches home plate at a speed of 45.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 55.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.00 ms. What is the magnitude of the average vector force the ball exerts on the bat during their interaction?
- A baseball approaches home plate at a speed of 40.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 50.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.50 ms. What is the average vector force the ball exerts on the bat during their interaction? (Let the +x-direction be in the initial direction of motion, and the +y-direction be up.)A dump truck is being filled with sand. The sand falls straight downward from rest from a height of 2.00 m above the truck bed, and the mass of sand that hits the truck per second is 55.0 kg/s. The truck is parked on the platform of a weight scale. By how much does the scale reading exceed the weight of the truck and sand?A 0.0055-kg shuttlecock moving to the left with a speed of 40.0 m/s is struck by a badminton racket causing it to move with a speed of 65.0 m/s to the right. The average force experienced by the shuttlecock is +45.0 N. How long was the shuttlecock in contact with the badminton racket?
- A 250-kg flatcar 23 m long is moving with a speed of 7.0 m/s along horizontal frictionless rails. A 95-kg worker starts walking from one end of the car to the other in the direction of motion, with a speed of 3.0 m/s with respect to the car. In the time it takes for him to reach the other end, how far has the flatcar moved?A baseball approaches home plate at a speed of 50.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 57.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 1.50 ms. What is the average vector force the ball exerts on the bat during their interaction? (Let the +x-direction be in the initial direction of motion, and the +y-direction be up.) on bat = NA baseball approaches home plate at a speed of 48.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 60.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 1.50 ms. What is the average vector force the ball exerts on the bat during their interaction? (Let the +x-direction be in the initial direction of motion, and the +y- direction be up.) Fon bat Need Help? Read It N