a 85-kg swimmer dives horizontally off a 650-kg raft. the divers speed immeditely after leaving the raft in 3.5 m/s. A micro-sensor system attached to the edge of the raft measures the time interval during which the diver applied an impulse to the raft just prior to leaving the raft surface. if the time interval is read at 0.25 s, what is the magnitude of the average horizontal force by diver on the raft?  a. 900N B. 450N  C.1190N  D.1500N  E.1700N  F. none of the above

Q: A girl of mass 48 kg is rescued from a building fire by leaping into firefighter net. The window…

A: Given: The mass of the girl is 48 kg. The time interval is 0.45 s. The height of the girl from the…

Q: The figure below shows a bullet of mass 300 g traveling horizontally towards the east with speed 300…

A: Given: Mass of bullet = 300g = 0.3kg Initial speed of the bullet = 300 m/s Mass of the block = 1500…

Q: During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 0.148 kg…

A: Given data: The mass of ball is m=0.148 kg. The initial velocity of ball is u=15.7 m/s. The final…

Q: A 5.0-oz baseball arrives at the bat with a speed of 160 ft/s. It remains in contact with the bat…

A: Given Mass m = 5 oz Initial velocity u = 160 ft/s Final velocity v = -280 ft/s Time t = 0.02 s

Q: A tennis ball of 0.050 kg was initially pushed down with a velocity of 1.50 m/s from a height of…

A:

Q: i dont get a and b

A: Given, Force-time graph is for 1 s is given. Mass of cart,

Q: Suppose a child drives a bumper car head on into the side rail, which exerts a force of 2000 N on…

A: (a)   The impulse imparted by the force can be determined as follows. j→=F→·t=-2000 N0.600 s=-1200…

Q: Starting from rest, a 63.0 kg woman jumps down to the floor from a helght of 0.660 m, and…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: A ball experiences a change in momentum of 64kg*m/s. a. What is the impulse acting on the ball? b.…

A: Given Data: The change momentum is, ∆p=64 kg·m/s The time of interaction is, ∆t=0.15 s   Part (a):…

Q: tne letler oi answer. 1. A mini dump truck full of abaca fiber collides with a motorcycle or…

A:

Q: n tae-kwon-do, a hand is slammed down onto a target at a speed of 11 m/s and comes to a stop during…

A:

Q: A baseball (m=0.145kg) moving with an initial velocity of 15m/s to the right is struck by a bat and…

A: Linear momentum of an object of mass 'm' moving with velocity 'v' is given as-          p→=mv→…

Q: d) A 120 kg object, initially travelling at 2 m.s", undergoes an impulse of 212 N s. Calculate the…

A:

Q: A 2.00-kg stone is sliding to the right on a frictionless horizontal surface at 5.0 m/s when it is…

A: Given-Mass of stone- 2 kgVelocity of frictionless horizontal surface = 5msForce = 2.5 KN

Q: Two ice skaters, 50-kg and 60-kg respectively, moving together at a speed of 2.0 m/s push off…

A: Two ice skaters(A and B) are facing each other, initially they are moving towards each other at a…

Q: Q3/ A hockey puck of mass 0.16 kg traveling on a smooth ice surface collides with the court's edge.…

A: Given: The mass of the puck is 0.16 kg. The initial velocity of the puck is -2 m/s. The final…

Q: a girl of mass 48 kg is rescued from a building fire by leaping into firefighters net. The window…

A: Given: Mass of a girl (m) = 48 kg. Height of window (h) = 12 m. Time taken to stop the girl t = 0.45…

Q: A basketball of mass m = 625g rolls off the hoop’s rim, falls from a height of  3.05 m to the…

A: Given Mass m = 625 g = 0.625 kg Height of the hoop H = 3.05 m Bounced height h = 1.40 m

Q: A professional boxer hits his opponent with a 1000-N horizontal blow that lasts for 0.150 s. (a)…

A: Here  Impulse=change in momentam=Ft Given  F=1000N            t=0.15 sec            M=105Kg…

Q: A 5.0-oz baseball arrives at the bat with a speed of 160 ft/s. It remains in contact with the bat…

A:

Q: Q7/ A ball of mass 0.4 kg is thrown against a brick wall. When it strikes the wall it is moving…

A: Impulse is a short period force causing an object to move or send it into motion. Variables known,…

Q: A ball falls from height of 18.5 m, hits the floor, and rebounds vertically upward to height of 15.0…

A: (a) Impulse Take the rebound velocity to be positive as it is in the upward direction and the…

Q: In tae-kwon-do, a hand is slammed down onto a target at a speed of 11 m/s and comes to a stop during…

A: Average force= Impulse divided by time. We got impulse = 8.8 Given time =6ms

Q: A basketball mith a mass of 0.62kg falls vertically to the floor where it hits with a speed of -6…

A:

Q: An 0.15 kg baseball is thrown horizontally at 40. m/s and after it is struck by a bat, it is…

A:

Q: 0.144 kg baseball crashing through the pane of a second-floor window in a nearby building. The ball…

A:

Q: A 0.25 kg puck is initially stationary on an ice surface with negligible friction. At time t= 0, a…

A: The force,

Q: A 1.0 kg ball drops vertically onto a floor, hitting with a speed (just before hitting floor) of 20…

A: (a)The initial momentum of the ball is.The final velocity of the ball rebounds so the final momentum…

Q: A 25 kg object and a 100 kg object collide. The graph below is for the 100 kg object. Assume…

A:

Q: A 2.00-kg stone is sliding to the right on a frictionless, horizontal surface at 5.00 m/s when it is…

A:

Q: In the figure below, a 0.40 kg ball with a speed v of 5.0 m/s strikes a wall at an angle 0 of 30°…

A:

Q: A bat strikes a 0.160 kg baseball. Just before impact, the ball is travelling horizontally to the…

A:

Q: A baseball player hits a (100 g) baseball that is travelling towards him at 20ms. The ball is…

A:

Q: A 5.0-oz baseball arrives at the bat with a speed of 160 ft/s. It remains in contact with the bat…

A: Given data: Mass of baseball is, m=5 oz=5 oz×0.030 kg1 oz=0.15 kg. Speed of approach towards bat is,…

Q: In a Little League baseball game, a 145 g ball enters the strike zone with a speed of 15.0 m/s The…

A:

Q: A 150-g ball is dropped from rest from a height of 1.2 m.  It bounces and returns to the same…

A:

Q: Two ice skaters, Megan and Jason, push off from each other on frictionless ice. Jason’s mass is…

A: Consider the Megan’s mass be m, therefore, the Jason’s mass is 2m. When either of them pushes the…

Q: E4.A force of 128 N acts on a ball for 0.45 s. If the ball is initially at rest: (a) What is the…

A: Hello. Since your question has multiple question, we will solve the first one for you. If you want…

Q: A bat strikes a 0.160 kg baseball. Just before impact, the ball is travelling horizontally to the…

A:

Q: a 5.0 oz baseball arrives at the bat with a speed of 160 ft/s. it remains in contact with the bat of…

A: The speed =160ft/s To find the bat impact to the ball and the force exerted by the bat and the ball

Q: two children were playing outside throwing boiled eggs to each other. one of the children missed the…

A: Given  Mass, m = 50 kg  Initial velocity, u = 2.5 m/s  Final Velocity, v = 0.5 m/s   Impulse = I =…

Q: A basketball with a mass of 0.62 kg falls vertically to the floor where it hits with a speed of −6…

A: a) The expression for impulse is I=m∆v=mvf-vi Substitute values in the above equation…

Q: A 0.143 kg baseball, thrown with a speed of 44.6 m/s, is hit straight back at the pitcher with a…

A: Given information: The mass of the baseball (m) = 0.143 The initial speed of the ball (u) = 44.6 m/s…

Q: A 500 g object moving with an initial speed of 1.6 m/s to the left, experiences a force varying with…

A: Given:mass, m = 500 g = 0.5 kginitial speed, u = 1.6 m/stime, t = 10-3 s

Q: F1 = 600 N What is the impulse on a 3.0 kg particle that experiences the force shown in the figure?

A: