A 140 gram baseball is moving horizontally to the right at 35 m/s when it is hit by the bat. The ball flies off to the left at 55 m/s, at an angle of 25 degrees above the horizontal. What are the magnitude and direction of the impulse the bat delivers to the ball?
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A 140 gram baseball is moving horizontally to the right at 35 m/s when it is hit by the bat. The ball flies off to the left at 55 m/s, at an angle of 25 degrees above the horizontal. What are the magnitude and direction of the impulse the bat delivers to the ball?
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- A(n) 0.699 kg football is thrown with a speedof 13.6 m/s. A stationary receiver catches theball and brings it to rest in 0.0124 s.What is the magnitude of the impulse delivered to the ball?Answer in units of kg · m/s. What is the average force exerted on the receiver?Answer in units of N.A professional golfer is examining a video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only Ar=0.571 ms, and the radar gun clocks the speed of the ball as = 176 mph after it comes off the club. The golf ball has a mass of my = 45.9 g. What is the magnitude of the impulse imparted to the ball by the club? magnitude of the impulse: What is the magnitude of the average force of contact between the club and the ball? magnitude of the average force of contact: kg m NIn tae-kwon-do, a hand is slammed down onto a target at a speed of 13.2 m/s and comes to a stop during the 5.16 ms collision. Assume that during the impact the hand is independent of the arm and has a mass of 0.654 kg.What is the magnitude of the impulse?8.63 N*s What is the magnitude of the average force on the hand from the target? (Answer 2nd question)
- A 130.0 g ball is moving horizontally to the west at 20.0 m/s when it is hit by a stick. The ball flies off to the 20.0° north of east at 45.0 m/s. What are the magnitude and direction of the impulse that the stick delivers to the ball? 4.90 Ns, 55.4° north of east 10.1 Ns, 76.1° north of east O 3.52 Ns, 34.6° north of east O 3.52 Ns, 55.4° north of east 8.34 Ns, 13.9° north of east O 4.90 Ns, 34.6° north of east 10.1 Ns, 13.9° north of east 8.34 Ns, 76.1° north of eastA 0.500-kg ball is dropped from rest at a point 1.10 m above the floor. The ball rebounds straight upward to a height of 0.480 m. Taking the negative direction to be downward, what is the impulse of the net force applied to the ball during the collision with the floor?A 0.12-kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the magnitude of the linear impulse experienced by the ball?
- A 0.299-kg volleyball approaches a player horizontally with a speed of 12.6 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s (a) What impulse is delivered to the ball by the player? _____ kg-m/s (b) If the player's fist is in contact with the ball for 0.060 0 s, find the magnitude of the average force exerted on the player's fist. _____ Na 4.0 kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vehicle wall. The particle rebounds with the speed of 3.0 m/s . what is the magnitude of the impulse deliveed to the particle.A professional golfer is examining a video of a practice swing. The high‑speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only Δ?=0.771 ms, and the radar gun clocks the speed of the ball as ?b=176 mph after it comes off the club. The golf ball has a mass of ?b=45.9 g. a. What is the magnitude of the impulse imparted to the ball by the club? b. What is the magnitude of the average force of contact between the club and the ball?
- A person is pushing a 8 kg block along a horiontal surface at a constant speed of 15.4 m/s. The person is applying a force of 8.9 N to the block at an angle of 36.7° above horizontal. If the block moves a distance of 3.55 m, what is the magnitude of the impulse parted upon the block by the force of gravity?A pitcher throws a 0.200 kg ball so that its speed is 11.0 m/s and angle is 35.0° below the horizontal when a player bats the ball directly toward the pitcher with velocity 42.0 m/s at 30.0° above the horizontal. Assume +î to be along the line from the batter to the pitcher and +ĵ to be the upward vertical direction. (Express your answers in vector form.) (a) Determine the impulse (in N s) delivered to the ball. I = (b) If the force on the ball increases linearly for 4.00 ms, holds constant for 20.0 ms, and then decreases linearly to zero in another 4.00 ms, what is the maximum force (in N) on the ball? max N.S = NDuring a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 0.149 kg baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 15.9 m/s, shatters the glass as it passes through, and leaves the window at 10.5 m/s with no change of direction. What is the direction of the impulse that the glass imparts to the baseball? opposite the direction of the ball's motion neither of these in the direction of the ball's motion Calculate the magnitude of this impulse (a positive number). impulse: The ball is in contact with the glass for 0.0105 s as it passes through. Find the magnitude of the average force of the glass on the ball (a positive number).