The kinetic friction force between a 8.1-kg object and a horizontal surface is 72 N. If the initial speed of the object is 74 m/s, what distance will it slide before coming to a stop?

Q: A frictionless block of mass 0.5 kg slides down a ramp of height 0.2 m and onto a horizontal…

A: The vertical component of the net force acting on the block. given, mass(m)= 0.5 kg height(h)= 0.2 m

Q: An archer puts a 0.4 kg arrow to the bow- string. An average force of 214.3 N is exerted to draw the…

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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…

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Q: A 5.2 x 105 kg subway train is brought to a stop from a speed of 0.95 m/s in 0.57 m by a large…

A: Given, The mass of the subway train = 5.2×105 kg =m  Initial velocity of the train = 0.95 m/s = Vi…

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

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Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 4.0…

A: The free body diagram of the system is shown below.

Q: A toad with mass of 280 g leaps into the air to catch a fly. If the toad's jump was at an angle of…

A: When the toad with a mass of 280 g leaps into the air to catch a fly and the toad's jump was at an…

Q: The 1.5 kg physics book in figure is connected by a string to a 550 g coffee cup. The book is given…

A: Draw the free-body diagram of the book.

Q: Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of…

A: Given: The force exerted by Tarzan on the rope is 1350 N. The mass of Tarzan is 78 kg. The length of…

Q: What initial velocity must a 1.35 kg block have to travel a distance of 2.09 m up an incline that…

A: mass = 1.35 kg d= 2.09 m angle = 22.10coefficient of kinetic friction = 0.359

Q: When a 3.6 kg block is pushed against a massless spring of force constant 4.5 ✕ 103 N/m, the spring…

A: Work done on the spring is equal to work done by the friction on the block 12k∆x2=Ff∆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: As shown in the figure below, a box of mass m = 31.0 kg is sliding along a horizontal frictionless…

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Q: After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is removed.…

A: A force was applied for 3m distance and then it was removed .

Q: the kinetic friction force that a horizontal surface exerts on a 60 kg object is 50 N. If the…

A: From Newton’s second law of motion.

Q: A ski slides down a 25° slope for 25 m before taking off from a negligibly short horizontal ramp. If…

A: Given: The angle of inclination of the slope is 25 degrees. The distance covered is 25 m. The…

Q: What is the tension in the 10 – m long rope holding Tarzan (mass = 80  kg) right at the bottom of…

A:

Q: A 84 kg janitor wearing running shoes is running across an ice rink at a speed of 6.3 m/s. They try…

A:

Q: What is the height from which a car of mass m = 1270 kg must be dropped in order to acquire a speed…

A: Given data:  Mass (m) = 1270 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 88.5 km/h…

Q: Each of the boxes shown below is pulled for 15 m across a level, frictionless floor by the force…

A: In the given scenario, the floor where boxes are kept is frictionless. The mass doesn't matter since…

Q: A 2.0 kg otter starts from rest at the top of a muddy incline 85cm long and slides down to the…

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Q: A 45.6lbs ball with an initial velocity of 2.36 m/s is rolling on rough surface slope and continues…

A: By using the energy conservation theorem: 12mvi2=Ffd+mgd Substitute the values.…

Q: As shown in the figure below, a box of mass m = 23.0 kg is sliding along a horizontal frictionless…

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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 car of mass m = 1100 kg is traveling down a θ = 14 degree incline. When the car's speed is v0 = 13…

A: The car will stop only when the frictional force is exactly equal and opposite to the weight…

Q: A 62 kg trampoline artist jumps upward from the top of a platform with a vertical speed of 4.5 m/s.…

A: Say u is the velocity as the artist velocity as he lands on trampoline. At top as the artist jumps…

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.6 m/s.…

A:

Q: A hockey puck with mass 0.167 kg is pushed across the ice with a constant force of 0.56 N. The…

A:

Q: _5. A 0.3 kg ball is released in an inclined plane as shown in the figure below. In order for it to…

A: According to bartleby's policy, I can answer only 1 question at a time,. Given Data : The mass of…

Q: A bug slides back and forth in a bowl 15 cm deep, starting from rest at the top, as shown below. The…

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Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A: Given Data:- Initial speed of the car is v=25 m/s Height of the hill is h=10 m Required:- Speed of…

Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

A:

Q: The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed…

A: Given data The mass of the object is m = 62 kg. The force applied to the object is F = 23 N. The…

Q: A child of mass 40 kg goes down an 8.0-m-long slide inclined at 30° with the horizontal. The…

A: Given, Mass (m)= 40 kg Length of the slide(d)= 8.0 m Angleθ=30° Coefficient of kinetic frictionμk…

Q: A 1,596.6 kg car is skidding to a stop on a level road with a coefficient of kinetic friction = 0.6.…

A:

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: A 1.2 kg crate slides down a 300 ramp with a height of 2.77. The crate has a speed of 2.90 m/s at…

A: mass of crate (m) = 1.2 kg Angle of ramp (θ) = 30oHeight (h) = 2.77 m speed of crate at the bottom…

Q: After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is removed.…

A: Given Horizontal force = 600 N Coefficient of friction u = 0.2 Displacement S = 3 m

Q: A 116-Newton horizontal force is exerted upon a 6.8-kg box to move it across a level surface at a…

A: Given Data Force is F = 116 N Mass is m=6.8 kg

Q: A child riding a bicycle has a total mass of 30.6 kg. The child approaches the top of a hill that is…

A:

Q: Sarah and her bicycle have a total mass of 40 kg. Her speed at the top of a 10 m high and 100 m long…

A: Calculate the work done by the gravity. work done by gravity = m g Δh…

Q: A playground slide consists of a vertical ladder and the ramp down to the ground. The angle between…

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Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: What is the magnitude of force required to stretch a 15 cm long spring, with a spring constant of…

A: initial length (L) = 15 cm final length (L') = 20 cm Spring constant (k) = 100 Nm

Q: A box starts from rest and slides 40 m down a frictionless inclined plane. The total vertical…

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Q: A roller-coaster car is moving at 20 m/s along a straight horizontal track. What will its speed be…

A:

Q: A 1200-kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.