If an 80kg man swings down from a height of 2.5 m and picks up an 60kg woman, what's his velocity before picking her up? (Inelastic collision) I got 7.2 m/s, but I'm unsure

Q: Calculate the final velocity right after a 119 kg rugby player who is initially running at 7.55 m/s…

A: The given data are: m=119 kgu=7.55 m/sF=18100 Nt=5.5×10-2 s Here, m, u, F, and t represent the mass,…

Q: Find the momentum for a 2.8-kg brick parachuting straight downward at a constant speed of 7.6 m/s .

A: Since the speed of the brick parachute is travelled in a downward direction, so the momentum of the…

Q: You are watching the K-drama “Twenty-five, Twenty-one” when you try to apply your recent topic in…

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Q: A diver with a mass of 65 kg dives off of a 27 m platform. His velocity just before striking the…

A: We know that the formula of the kinetic  energy is given as  K.E = 12mv2 -------- eq 1  where m is…

Q: Two blocks of masses m and 3m are placed on a frictionless, norizontal surface. A light spring is…

A: given: spring was compressed x=5.30 cm  x= 5.30 * 10-2 m also, kinetic energy = 7.7 J ( already…

Q: A 20kg shark swimming to the right at 4 m/s eats a 2kg fish swimming in the opposite direction at 2…

A: Given :  mass of shark    Ms=50 kg              Velocity of shark  Vs=4 m/s   (lets take right side…

Q: A swimmer with a mass of 75 kg dives off a raft with a mass of 400 kg. If the swimmer's speed is 4…

A: Ans:- Image-1

Q: olve the following prot A 3-kg fish moving at 0.5 m/s swallows a 0.5-kg fish at rest. What is the…

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Q: A 29-gram bullet traveling at 239 m/s penetrates a 5-kg block of wood and emerges clearly at 162…

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Q: A 3095 kg truck is moving West at 25m/s collides with a 6178kg truck moving North a 9m/s.  If the…

A: A m1 = 3095 kg truck is moving West at v1 = 25m/s collides with a m2 = 6178kg truck moving North a…

Q: A 10,517-kg railroad car traveling at a speed of 32 m/s strikes an identical car at rest. If the…

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Q: A 0.10-kg ball is thrown straight up into the air with an initial speed of 15 m/s. Find the momentum…

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Q: An object weighing 50 kg was dropped from a height of 10 m. What was its momentum the instant it…

A: Explanation The object is dropped from a height of 10 m. To calculate its momentum and K.E at the…

Q: What is the impulse of 8-kg ball rolling at 2m/s when it bumps into pillow and stops?

A: Formula for the impulse is:

Q: If a player can toss a 0.200-kg ball with as much momentum as a 2.00-g object moving with a speed of…

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Q: A bullet of mass 0.025 kg is shot at a speed of 35m/s towards a 4kg stationary block. The bullet…

A: Given data: The mass of bullet is m=0.025 kg. The speed of bullet is u=35 m/s. The mass of…

Q: An impulse of -9 N*sec is applied during 3 seconds to a 2Kg mass, the acceleration is: Select one:…

A: Impulse is defined as the product of  force acting on an object and the time interval in which the…

Q: A vase with a mass of 1.5 kilograms falls from a high pedestal and crashes to the ground with the…

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Q: A ball has a mass of 2.0kg. The ball approaches a wall at a speed of 3.0Mls and rebounds at a speed…

A: Given:-  The mass of the ball is m = 2.0 kg  The ball approaches a wall is u = 3.0 m/s  The rebounce…

Q: A 1.5 kg ball is kicked at a velocity of 4.87 m/s [E] at a stationary 46.5 kg girl. The ball bounces…

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Q: a car of mass 1000kg moving at 24.4 m/s collides with a ford van of mass 2000kg moving in the…

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Q: Which has a greater amount of Momentum? A 10 kg cannonball flying at 50 m/s, or a 1000 kg car…

A: We know thatThe momentum of object  is given asP=m×vHerem=mass of objectv=velocity of…

Q: Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the…

A: Mass of first cart = m1 = 5 kg Mass of second cart = m2 = 2 kg After release Velocity of first cart…

Q: An 8kg bowling ball is rolling in a straight line toward you. If its momentum is 16kg.m/s, how fast…

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Q: How fast does Charlie Brown need to go in order to give a 0.46 kg football a momentum of 6.9kg m/s

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Q: A water pump raises water through a height of 4m at the rate of 600 kg per minute delivering it with…

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Q: A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart as shown in the figure. The cart is…

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Q: A machine gun fires 6 bullets /s, each of mass 8 g the speed to each bullets is 12 cm/s, then force…

A: Given data :               Speed of each bullet    =     V               Mass   of  each bullet    =…

Q: A 50.0-kg boy runs at a speed of 8.5 m/s and jumps onto a cart as shown in the figure. The cart is…

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Q: In #1, which one has more momentum before the collision? • The 1,200 kg Mini Cooper traveling at 21…

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Q: What is the speed of a garbage truck that is 1.20×104kg and is initially moving at 25.0 m/s just…

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Q: oes every moving body posses both kinetic energy and momentum? Explain.

A: Answer Kinetic energy is the energy possessed by an object due to its motion. Momentum of a body is…

Q: wo balls roll horiztonally off the edge of a 1.29 m tall table. Ball A has a mass of 2.4 kg and is…

A: Given h =1.29 m uA = 1.4 m/s uB = 7.7 m/s

Q: James realizes that he can try to get Kevin by having two balls roll down from opposite hills. Ball…

A: Given, Mass of balls, m1=15 kg, m2=20 kg Heights of balls, h1=32 m,h2=18.5 m

Q: A large truck and a volkswagon beetle have a head on collision. Which object experiences the…

A: first vehicle = large truck  second vehicle = volkswagon beetle let mass of first vehicle = M let…

Q: A 38.4 kg kid is sledding down a hill at 6.3 m/s. What is his momentum?

A: Solution:-   Given data    Mass  m= 38.4 kg   Velocity  v= 6.3 m/s   Momentum P=?

Q: A tennis ball may leave the racket of a top player on the serve with a speed of 65 m/s. If the…

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Q: A 400g football is having a momentum 16kgm/s, east. The velocity of the football is O a. 40m/s, West…

A: Mass of football: m = 400 g = 0.400 kg Momentum of football: p = 16kgm/s along east

Q: A machine gun fires 17 bullets /s, each of mass 20 g the speed to each bullets is 30 cm/s, then…

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Q: A 10,414-kg railroad car traveling at a speed of 27 m/s strikes an identical car at rest. If the…

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Q: How much impulse is needed to stop a 10-kg bowling ball moving at 6m/s?

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Q: A 500g football is having a momentum 15kgm/s, east. The velocity of the football is O a. 7.5m/s,…

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Q: A machine gun fires 9 bullets /s, each of mass 8 g the speed to each bullets is 12 cm/-1 then force…

A: Given data :                     Speed of each bullet      =     v                    Mass  of…