Xyrus throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5 m/s, and just after is 3.5 m/s. If the ball is in contact with the floor for 0.025 s, what is the magnitude of the average force applied by the floor on the ball?  60 N 3.0 N 133 N 3.5 N

Q: An archer pulls a bowstring back a distance of 20 cm with an average force of 85 N. The arrow has a…

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Q: A 2.8 kg ball strikes a wall with a velocity of 6.7 m/s to the left. The ball bounces off with a…

A:

Q: son throws a 0.5 kg ball up in the air in 1.1 s. During this process the position of the ball…

A: Given  Mass m = 0.5 kg  Initial velocity u = 0  Final velocity v = 7 m /s  Displacement s = final…

Q: A 50.0 g ball is shot in the horizontal direction, aimed directly at a wall. The initial speed of…

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Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

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Q: A baseball catcher is performing a stunt for a television commercial. He will catch a baseball (mass…

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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 golf ball of mass 0.045 kg is hit off the tee at a speed of 45 m/s. The golf club was in contact…

A:

Q: A 1.2 kg object moving with a speed of 8.0 m/s collides with a wall and rebounds with a speed of 6.0…

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Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

A: Mass, m = 0.2 kg Initial velocity, u = 20 m/s Final velocity, v = -12 m/s Time, t = 60 ms = 0.06 s

Q: A force of magnitude F acting in the x-direction on a 2.0-kg object varies in time as shown in the…

A: Given : Mass(m)=2kg initial velocity=2m/s To find: Final velocity

Q: A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and…

A: The ball's mass is, m=1.2 kg The change in the velocity of a ball is, Δv=10--25 m/s=35 m/s The time…

Q: A 2.5 kg ball strikes a wall with a velocity of 7.9 m/s to the left. The ball bounces off with a…

A: m=2.5 kgu=-7.5 m/sv=6.7 m/st=0.18 s   let the force exerted by the wall be F this force is equal to…

Q: A 500 g bottle of soda is slid across a table. It begins with a speed of 2.0 m/s and comes to rest…

A: Given value--- mass = 500 g. initial speed = 2 m/s. distance = 35 cm. We have to find---…

Q: A 64 kg baseball player jumps into the air throws a 151 g baseball directly eastward with a force of…

A: Given Mass of baseball player = 64 kg Mass of base ball = 51 g force applied on baseball = 8.4 N…

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: A 75.1-kg person diving into a pool enters the water vertically at 8.29 m/s. The water exerts an…

A: mass = 75.1 kg initial speed = 8.29 m/s net force = 1294 N t = 0.377 s

Q: Helicopter drops a 0.30 kg copper ball onto a steel plate. The ball's velocity just before impact…

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Q: A ball (m = 0.350 kg) is thrown at a speed of 12.0 m/s and is hit by a bat changing the velocity to…

A: The original formulation of Newton's second law of motion is often expressed as follows:F =…

Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

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Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…

A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…

Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

A:

Q: A 0.052 kg golf ball leaves the face of the club at 24.67 m/s to the right.If the force acted on the…

A: Average force is given asFavg=∆p∆tso ∆t=∆pFavg⇒∆t=mvFavg∆t=52*10-3*24.67498.2∆t=2.57*10-3 Sec

Q: A 874 g rubber ball was vertically pushed downward at 1.18 m/s from a height of 88.5 cm above a…

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Q: A 10 kg block of ice is at rest on a frictionless horizontal surface. A 1597 N force is applied to…

A: Write the expression of the impulse-momentum equation. I=ΔpF×Δt=mΔv Here, I is the impulse, Δp is…

Q: 8. Carol, who weighs 60 kg, is driving her car at a speed of 25 m/s. She sees a dog crossing the…

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Q: A 4.2-g bullet leaves the muzzle of a rifle with a speed of 326 m/s. What force (assumed constant)…

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Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can…

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Q: 1. A 2.50-kilogram mud ball drops from rest at a height of 13.0 m. If the impact between the ball…

A: Force is defined as the rate of change of momentum. To solve the question we need to know the…

Q: A 2.5 kg ball strikes a wall with the velocity of 8.5 m/s to the left the ball bounces off with a…

A: Given:Mass,M=2.5 kgVelocity,v1=8.5 m/svelocity ,v2=7.5 m/s Time,t=0.2 secFind the force exerted on…

Q: . A car carrying a 80 kg test dummy crashes into a wall at 20 m/s and is brought to rest in 0.2…

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Q: A stationary 2.17-kg object is struck by a stick. The object experiences a horizontal force given by…

A: Mass of object m=2.17 kg F=at-bt2    where t - time in seconds a=1500000 N/s , b= 20000000 N/s^2…

Q: Michael fell asleep while driving home from school. His 1255 kg car hit a guardrail while moving at…

A: GIVEN: Mass of car, m=1255 kg Speed , v=15.98 m/s Force, F=6.1×104 N Time, t=0.1233 s Impulse =…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: