A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 10.5m in a time of 4.80s. What is the mass of the block of ice? If the worker stops pushing after 4.80s, how far does the block move in the next 5.40s?

Q: A 800 kg car is traveling down a highway at 13.0 m/s when the driver notices a turtle in the middle…

A: Given Data: The mass is, m = 800 kg. The velocity is, v =13 m/s. The displacement is, d = 18 m.…

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…

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Q: Jackie has a car that accelerates at 8.5 m/s2. If the car has a mass of 2300 kg, how much force does…

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Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: Given- Mass of car , m = 1500 kg Initial speed  of car, u = 15 m/s Final speed of car , v = 0 m/s…

Q: Mike pushes a box with a mass of 6.35 kg giving it an initial velocity of 2.35 m/s. The box comes to…

A: Given, Mass of box , m=6.35 kg Initial velocity , Vi=2.35 m/s Final velocity , Vf=0 m/s Distance ,…

Q: Three forces act on a particle that moves with unchanging velocity (2.4 m/s )i + (-6.5 m/s )j. Two…

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Q: A 18-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 26 N.…

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Q: What is the magnitude of the average drag force ?drag exerted on the car?

A: work done by non conservative forces = change in total energy work done by drag force = total final…

Q: When starting a foot race, a 68.6 kg sprinter exerts an average force of 704 N backward on the…

A: Given: The mass of sprinter (m) = 68.6 kg. Force exerted F = 704 N. Time (t) = 0.813 s.

Q: D 6.34 m/s Fose N frins 2. A 1000 kg object is rising. Its speed is increasing at 3 m/s². The force…

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Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a…

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force…

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: According to Newton's second law -  F=ma Therefore,  a=Fm Given values,  m = 125 kg  F = 190 N a=190…

Q: A 25-g snail goes from rest to a speed of 3.0m/s in 5.0 sec. How much horizontal force

A: Given -: mass of snail, m = 25 g initial at rest then initial velocity, u= 0 m/s Final velocity, v =…

Q: The 29 kg crate is subjected to a force having a constant direction and a magnitude 150 N. When s…

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Q: A block with a mass of 0.276 kg slides across a table with an initial speed of 1.87 m/s. It has a…

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Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: mass = 126 kg drive force = 195 N constant velocity = 5.60 m/s

Q: An object with a mass of 1.93 kg is initially at rest upon a horizontal, frictionless surface. An…

A: Given data: Mass of an object is, m= 1.93 kg The object is initially at rest, vi = 0 The applied…

Q: A force of 1.150×103 N pushes a man on a bicycle forward. Air resistance pushes against him with a…

A: The force of air resistance acts against the force with which the man pushes the bicycle. The net…

Q: Based on page 30 from the lecture note, match the answers with questions. the initial kinetic energy…

A: Given that: The file cabinet has a mass of 100 kg  you are pushing with a 700 N force in the…

Q: what speed  ?  will he be going after  35.0 m ?

A: force=1.10×103 Npushing force=805 Ndistance, x=35 mmass=90 kg

Q: A 7780-kg car is travelling at 25.8 m/s when the driver decides to exit the freeway by going up a…

A: Mass of the car m= 7780 kgInitial velocity of the car u = 25.8 m/sFinal velocity of the car v = 13.5…

Q: A child slides down a snow‑covered slope on a sled. At the top of the slope, her mother gives her a…

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Q: A woman pushes an initially stationary 11.3 kg gift up a 15.90 ramp a distance of 7.21 m. If she…

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Q: In a crash test, a car is driven into a solid wall at a speed of 35 mph. the car's acceleration as…

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Q: A 80.0 kg skater with the Birmingham Bulls hockey team with an initial speed of 7.8 m/s stops…

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Q: 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

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Q: A student pushes a physics textbook of mass 1.19 kg across a table with a horizontal force of 5.66…

A: The objective of this question is to find the speed of the textbook after a certain period of time.…

Q: We start with some review problems A crate of mass 27.1 kg rests on a level surface, with a…

A: Given Data : The mass of the crate is given as m = 27.1 Kg. The force applied to the crate is given…

Q: A book slides across a level, carpeted floor with an initial speed of 3.85 m/s and comes to rest…

A: Initial velocity, v = 3.85 m/s Distance, d = 3.75 m Coefficient of kinetic friction, µ = ?

Q: 2 (6.51). A 2.0 kg block is launched up a ramp that is inclined at a 30 angle. The block's initial…

A: SOlution: as given that m = 2 kg angle = 30 degree v = 10 m/s coef of kinetic friction = 0.2

Q: A 76.3 kN car is traveling at 70.9 mph when the driver decides to exit the freeway by going up a…

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Q: Dancers experience large forces associated with the jumps they make. For example, when a dancer…

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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: