A water pump raises water through a height of 4m at the rate of 600 kg per minute delivering it with a velocity of 10

Q: A 45 kg boy jumps on a stationary cart with luggage. The velocity of the boy when he jumps is 5.3…

A: Using the conservation of momentum, m1u1+m2u2=m1+m2vm1u1=m1+m2v                  u2=0v=m1u1m1+m2

Q: A child (20kg) is at rest on a wooden raft (100kg) that's also at rest. The child decided to jump 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: The car's mass is 923 kg. The trampoline just keeps the car off the ground. Calculate the kinetic…

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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: When we double the speed of a mass , its kinetic energy ... Select one : a . doubles . b. decreases…

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Q: Which ball has more potential energy? O Green O Blue O Neither, the potential energy is the same for…

A: Assuming that h1 denotes height if first ball from earth , formula for Potential energy (E) i givne…

Q: A pistol fire is a 3 g bullet with a speed of 400 m/s the pistol barrel is 13 cm long what is the…

A: Given data The mass of the bullet is given as m = 3 g. The final velocity of the bullet is v = 400…

Q: An egg dropped on concrete usually breaks while one dropped on grass usually doean't break. The…

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Q: 9. A skater pushes on the back of a 45.3 kg sled with an average force of 72.5 N over a distance of…

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Q: Liz, a 40 Kg child slides down a 2.0 meter slide. Assuming the slide is frictionless, calculate her…

A: Given data: The mass of child is m=40 kg. The height of slide is h=2.0 m.

Q: A shopper throws a 12 kg bag of rice at a velocity of 1.4 into a 8 kg shopping cart. The cart is…

A: When the rice bag hits the shopping cart, they both start moving together with the same velocity v.…

Q: A parachutist with mass of 65kg is free-falling under gravity. When he opens up his chute he…

A: The parachutist is initially free-falling under gravity, when their chute isn't opened. As soon as…

Q: A sprinter with a mass of 65 kg reaches a speed of 10 m/s during a race. Find the sprinter's linear…

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Q: You are playing badminton when your racket hits the shuttlecock from rest. The racket and the ball…

A: Given value--- mass = 36 g. initial speed = 0 m/s. final speed = 6 m/s  time = 6 milliseconds.  We…

Q: Which requires more work to stop, a light truck or a heavy truck moving with the same momentum.

A: We know , work done (W) = change of kinetic energy. now K.E = 1/2mv^2 And momentum (P) =mv

Q: A person standing on the edge of a 30.0m tall building is holding a ball with a mass ot 1.50kg. The…

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Q: a slow collision does not cause damage for a bumper car since it has 1. collision avoidance 2.…

A: According to Newton's second law of motion, the rate of change of momentum of a body is equal to the…

Q: A rubber ball with a speed of 5.0 m/s collides head on elastically with an identical ball at rest.…

A: Conservation of momentum is used to calculate the velocity of the first ball. mv0+mv0'=mv1+mv2…

Q: Two balls pressing a spring on each end is released. The first ball has mass of 3 kg and the second…

A: Mass of first ball = 3kg  Mass of second ball = 2 kg  Velocity of first ball = 3 m s-1

Q: 27. A 48 kg student runs down the sidewalk and jumps with a horizontal speed of 3.8 m/s onto a…

A: The data given is as follows, 1. Mass of the student, ms=48 kg 2. The initial speed of the student,…

Q: You are driving your car which is 800 kg at a speed of 10 m/s and notice the breaks arenâ t working.…

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Q: A 11-kg bowling ball strikes a 5-kg pin. The pin flies forward with a velocity of 7.6 m/s. the ball…

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Q: A car of mass is 60 kg moving with a velocity of 10 m/s.   What is the speed bin km/h.   What is…

A: Momentum is defined as the  p =m v  where, m is the mass and v is the velocity.

Q: A car hurtles off a cliff and crashes on the canyon floor below. Identify the system wherein the net…

A: The net momentum of the car and the earth system is zero. Hence, the system is Car-Earth system.

Q: A 12-kg bowling ball strikes a 7-kg pin. The pin flies forward with a velocity of 7.8 m/s. the ball…

A: Mass of bowling ball = 12 kg  Mass of pin = 7 kg  Final velocity of pin = 7.8 m/s  Final velocity of…

Q: A bicycle is gliding at 3 m/s. Its momentum is 48kg m/s. The mass of the bicycle is

A: The given data are: v=3 m/sp=48 kgm/s Here, v is the velocity and p is the momentum.

Q: "A very heavy object moving with speed v collides head-on with a very light object at rest. The…

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Q: A boy and a girl are just standing on a frozen lakeThe girl pushes the boy. The boy speed of 4.64…

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Q: A 1200 kg car is travelling at 40 m/s. Find its momentum.

A: Detailed solution of this question is given in below steps.

Q: A 0.980 N balls falls freely from a height of 12.0 m. Its momentum when it strikes the ground is…

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Q: An athlete has a mass of 60 kg. He runs a 100-m run race at a speed of 10 m/s. What is his momentum?

A: Write the given values with the suitable variables. m=60 kgd=100 mv=10 m/s Here, m is the mass, d is…

Q: In baseball game, a player catches 200 gram baseball which is moving at speed of 30 m/s. The…

A: Given: The mass of the baseball is 200 g. The speed of the ball is 30 m/s. The time duration is…

Q: If the velocity of a cart increases, the kinetic energy

A: we know that kinetic energy is the energy possessed by the body by virtue of its motion. equation…

Q: A curiosidade child stands on the top of a 670 m Skyscraper and Drops a coin from the top of the…

A: Given: Height between ground and skyscraper, h=670 m To determine velocity of coin when it hit the…

Q: A car of mass 600 kg is moving at 15 m/s. Calculate is momentum .

A: Given value--- mass = 600 kg. speed = 15 m/s. We have to find--- momentum?

Q: Steven carefully places a m = 1.65 kg wooden block on a frictionless ramp so that the block begins…

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Q: A plate with a mass of 0.375 kg is dropped and has a speed of 3 m/s when it suddenly hits the hard…

A: Given Mass of the plate is m=0.375 kg Initial speed of the plate is v0=3 m/s Final speed of the…

Q: A ball moving at 0.95 m/s collides with a stationary ball. After a collision, they separated with…

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Q: A 1200-kg ore cart is rolling at 10.8 m/s across a flat friction-free surface. A crane suddenly…

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Q: You are playing volleyball. Your hand was in contact with the ball for 3milliseconds during the…

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Q: A 50 kg surfer is riding a 25 kg surfboard at a speed of 6.00 m/s and then jumps off the front,…

A: M = mass of surfer = 50kg m = mass of surfboard = 25kg V' = Velocity of the combination = 6m/s  v =…

Q: A crane lifts a 10 kg crate using a constant upward force of 500 N. The crate started on the ground…

A: Given: Mass of crate, m=10 kg The constant upward force acting on crate, F=500 N The height above…

Q: A 4 kilogramme block travelling at 6 m/s collides with a 3 kg block moving at 2 m/s in an elastic…

A: .

Q: What is the speed of the puck? 120 Kg .5m .75K9

A: Given data:  Mass of puck (m) = 0.120 kg Radius (r) = 0.5 m Mass of block (mb) = 0.75 kg

Q: Gimen dafe Maxe = 280 kg. Veleidy = 40 mls Find Kinetic energy

A: Given data:  Mass (m) = 280 kg Velocity (v) = 40 m/s Required: The kinetic energy (KE)

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”