A 0.6 kg squirrel falling at 14 m/s hits in a pile of leaves and comes to rest in 2 s. Find the normal force of the leaves on the squirrel as it comes to rest.

Q: A hunter has a rifle that can fire 50-g bullets with a speed of 900 m/s. A 90 kg tiger springs at…

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Q: A cue stick strikes a stationary pool ball, with an average force of 32 N over a time of 14 ms. If…

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Q: A baseball (m = 153 g) approaches a bat horizontally at a speed of 37.6 m/s (84.1 mi/h) and is hit…

A: Given:  Mass of the ball (m) = 153 g = 0.153 KgInitial speed of the all u = 37.6 m/sFinal speed of…

Q: In a physics experiment, two equal-mass carts roll towards each other on a level, low-friction…

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Q: A car heading north collides at an intersection with a truck heading east. Truck and car have equal…

A: Given data: The mass of car and truck is m. The speed of car-truck system is v=28 m/s. The…

Q: A bullet is fired horizontally into an initially stationary block of wood suspended by a string and…

A: Given:-  mass is m = 0.0065 kg block is M = 0.92 kg system swings and reaches a maximum height of h…

Q: A cue stick hits a cue ball with an average force of 28.0 N for a duration of 0.0280 s. If the mass…

A: Answer:-  Given  Initial velocity ball (u) = 0 m/s  Force (F) = 28.0 N  Mass of the ball (m) = 0.160…

Q: A 0.140 kg baseball is thrown with a velocity of 26.9 m/s. It is struck with an average force of…

A: F∆t=mvf--vi∆t=mvf--viF

Q: A horizontal force of 10.0 N acts on a block of mass of 1.00 kg which is initially at rest on a…

A: Solution:   Given Values,   Force(F)=10 N  Mass(m)=1 Kg  Time (t)=2 s

Q: A white ball of mass 0.6 kg moving at 10.0 m/s collides with a 0.5 kg black ball initia of 5.0 m/s.…

A: Givenmwhite=0.6 kg , mblack=0.5 kgBefore collisionuwhite=10 m/s ,  uBlack=0After collisionvwhite=5…

Q: a 3000 kg truck is driving at 20 m/s north. it collides head-in with a 1200 kg car travelling south…

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Q: A 15 g bullet is shot into a wooden post with velocity of 300 m/s. If the bullet comes to rest over…

A: Given: mass of the bullet is m = 15 g Initial velocity of the bullet v =300 m/s distance traveled by…

Q: A softball of mass 0.200 kg that is moving with a speed 10.3 m/s collides head-on and elastically…

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Q: A thin block of soft wood with a mass of 0.0840 kg rests on a horizontal frictionless surface. A…

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Q: A stone of mass m = 1.55 kg is dropped from a height of h = 3.9 m into a pool of water. At a time of…

A: Mass of stone (m) = 1.55 kg Initial height (h) = 3.9 m t = 1.9 s

Q: The late news reports the story of a shooting in the city. Investigators think that they have…

A: Since you have asked multiple questions, we will solve the first question for you. If you want a…

Q: A 0.38 kg volley ball is traveling at 34 m/s when its hit back over the net by an opposing player…

A: We need to apply the concept of Conservation of energy . The acceleration generated due to the…

Q: A runaway train car of mass Mis barreling along some train tracks at speed u when it crashes into a…

A: Given data:  Mass of running train car = M Speed of train car = v Mass of stationary train car = m…

Q: A soccer ball of mass 0.43 kg is coming straight at an 80 kg soccer player at 13 m/s. The player…

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Q: A cart with a mass of 2.0 kg is traveling at 8.6 m/s. It strikes a barrier and recoils with a speed…

A: Impulse is nothing but the change in momentum. So all we have to find is the change in the momentum.

Q: A 17-kg child is coasting at 2.60 m/s over flat ground in a 3.90-kg wagon. The child drops a 0.60-kg…

A: Given: The mass of the child is 17 kg. The initial speed of the child is 2.6 m/s. The mass of the…

Q: a 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A: The expression for the velocity,

Q: A dog weighing 36 kg, is standing on a flatboat so that he is 23 m from shore. He walks 16 m on the…

A: It is given that,

Q: Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and…

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Q: A block of mass m =2.90 kg initially moving to the right with a speed of -8.00 m/s on a…

A: The given data are listed below with suitable variables. Here, m1 denotes the first mass, u1…

Q: A bowling ball with a mass of 7.0 kg strikes a pin that H mass of 2.0 kg. The pin flies forward with…

A: The conservation of momentum P states that the amount of momentum remains constant when there are…

Q: Find the final velocity of a 140 KG object in a 650 N force acts on it 45 m?

A: Mass = 140 kg  Force = 650 N  Distance = 45 m

Q: A constant braking force of 10 newtons applied for 5 seconds is used to stop a 2.5-kilogram cart…

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Q: A dog, with a mass of 155 kg, jumps horizontally at a speed of 6.0 m / s in a boat that is floating…

A: Given that, Mass of a dog, m1 = 155 kg Speed of the dog, u1 = 6 m/s Initially, the boat was at rest…

Q: In a collision, a 1200 kg car initially moving at 30 m/s comes to a stop in 0.5 second. The…

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Q: A 0.24–kg volleyball approaches Tina with a velocity of 3.3 m/s. Tina bumps the ball, giving it a…

A: To determine: The average force applied by tina, when the volleyball approaches tina   Given: Mass…

Q: A 1,400 kg car traveling at 31 m/s has a head-on collision with a 55,000 kg tank traveling at 5.0…

A: Given: The mass (m1) of the car is 1400 kg. The speed (v1) of the car is 31 m/s. The mass (m2) of…

Q: A student of mass m=45 kg runs at a velocity vi=1.54 m/s before jumping on a skateboard that is…

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Q: A 57.0-g tennis ball is traveling straight at a player at 19.0 m/s. The player volleys the ball…

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Q: A soccer goalkeeper accelerates a ball from rest at a speed of 15 m / s for the time that his foot…

A: Force on an object equals to change in momentum of object w.r.t. time.

Q: A railroad car of a mass m is moving at speed v when it collides with a second railroad car of mass…

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Q: BEFORE COLLISION AFTER COLLISION 5.00 m/s At rest 2.00 m/s 3.75 m/s A B A B ma = 100 kg mg = 80 kg

A: Initial momentum of a mass A and a mass B before the collision can be given as, Final momentum of a…

Q: A diver with a mass of 80 kg jumps from a dock into a 130 kg boat at rest on the west side of the…

A: Applying the conservation of angular momentum,

Q: A 5 kg rifle recoils with a speed of 8 m/s when a bullet with a mass of 64 g is fired. The muzzle…

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Q: Two figure skaters are coasting in the same direction, with the leading skater moving at 6.5 m/s and…

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Q: A toy car of mass 0.08 kg, gets into an elastic collision with a toy train mass 0.49 kg. If the…

A: Result              Velocity of train after collision is 0.281m/s   Solution

Q: When a large force acts for a short time on an object, it is called  a. Acceleration  b. Impulse…

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Q: A machine gun fires 10 bullets/s, each of mass 10g, the speed to each bullet is 20 cms, then force…

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Q: A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in…

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Q: A 5 kg block of wood resting on a platform was hit by a 0.008 kg of bullet travelling upward with a…

A: Given Mass of block = 5 kg Mass of bullet = 0.008 kg bullet travelling upward with a speed =  926…