a 100 kg baseball player slides into second base the coefficient of kinetic friction between the player and the ground is 0.521. what is the magnitude of the frictional force? if the player come to rest after 1.06 s, what is his initial speed?

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A: The forces acting on the box are the force applied by Mary in the direction of motion of box and…

Q: this problem. Traveling at a speed of 19.9 m/s, the driver of an automobile suddenly locks the…

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Q: You go to the playground and slide down the slide, a 3.0-m-long ramp at an angle of 40° with respect…

A:

Q: We start with some review problems A crate of mass 49.0 kg rests on a level surface, with a…

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

A:

Q: Q3/ A 3 kg particle starts from rest and moves a distance of 4 m in 2 sec under the action of a…

A: Given data: Mass of particle is, m=3 kg. Initial speed of particle is, u=0 m/s.                (As…

Q: Which of the following statements is true about friction? k and us are independent on the mass of…

A: μk is the coefficient of kinetic frictionμs is the coefficient of static friction Properties of…

Q: A 4kg model rocket, initially at rest, accelerates upwards by generating a 74N thrust as it burns…

A: Given, mass of the rocket, m = 4kg initial velocity, u = 0 Upward thrust , T = 74N Drag , fr = 8N…

Q: A box is at rest on a level floor. μ = 0.4 and μ = 0.3. You pull the box horizontally just hard…

A:

Q: Fmax

A:

Q: itself, the 2500-kg pickup truck executes a 0-100 km/h acceleration run in 10 s along a level road.…

A: the 2500-kg pickup truck executes a 0-100 km/h acceleration run in 10 s along a level road. If the…

Q: A child pulls a cart with rubber wheels at a constant speed across dry, horizontal concrete. She…

A: Assume the frictional force between cart wheels and surface is fk.

Q: A wet bar of soap slides down a ramp 10.0 m long inclined at 11.73°. What would be its acceleration?…

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Q: Three blocks (as shown in the figure) are released from rest and they start to accelerate with a…

A: Step 1: here we have derived the equation of motion of the masses Step 2: here we have calculated…

Q: 50kg steel file cabinet is in the back of a dump truck.  The truck’s bed, also made of steel, is…

A: The size of the static friction when the truck bed is tilted is, fs=mgsinθ=50 kg9.8 m/s2sin20°=168 N…

Q: g up a grade of 15 with an initial velocity of 30 m/s. The coefficient of static friction between…

A: GivenAngle, θ=15°Initial velocity, u=30 m/sCoefficient of static friction between the tires and the…

Q: A parachutist whose mass is 90 kg drops from a helicopter hovering 1000 m above the ground and falls…

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Q: A book slides across a level, carpeted floor with an initial speed of 4.85 m/s and comes to rest…

A: The weight of the book acts vertically downward and the normal force acts vertically upward. The…

Q: A 25 kg chair initially at rest on a horizontal floor requires a 365 N horizontal force to set it…

A: 1) The static friction coefficient can be easily calculated from the fact that it is the maximum…

Q: A supermarket pushcart is being pushed at 45 degrees with respect to the horizontal from the…

A: Given, A cart is pushing at 45 degree and cart mass is 5 kg

Q: Mohamad is driving a car with a speed of 19 m/s when he sees Ahmed 60 m away. If he manages to stop…

A: Given: The initial speed of the car is 19 m/s. The final speed of the car is 0 m/s. The distance…

Q: 1. You are working as a letter sorter in the Post Office. Postal regulations require that employees'…

A: Given : Static friction = 0.5 S = 4.23

Q: A hockey puck is struck and is given an initial speed of 20 m s-1 on a frozen lake. The puck remains…

A: Above problem is based on the theory of friction.

Q: During a physics inquiry, you place a 0.250kg dynamics cart on a ramp inclined at 25.0 degrees to…

A: Given  Acceleration , A = 1.50 m/s2  Coefficient of friction, u = 0.300  Mass of cart, M = 0.250 kg…

Q: A box weighing 40.0 N, is initially at rest on a rough 6.0 m long ramp. The ramp is inclined at…

A: Solution: given that weight of box W = 40 N length L = 6 m angle = 30 degree friction force = 6 N

Q: An aircraft carrier uses a device called a catapult to help accelerate jets to the speed needed for…

A: The formula of force from newton's 2nd law is, F=m(vf-vi)t=mawhere,m= mass of an objectvf=final…

Q: Alex pulls a box of mass M = 2.5 kg by applying a %3D force of F = 6.O N at an angle of 25 degrees…

A: Given data: Mass of the box, m=2.5 kg Applied force, F=6 N Angle, θ=25o We have to find the…

Q: A 2.80-kg object is moving in a plane, with its x and y coordinates given by x = 2t² - 4 and y = 2t³…

A: Given value--- mass = 2.80 kg.  its x and y coordinates given by x = 2t ^ 2 - 4 and y = 2t ^ 3 + 3…

Q: A 10000-kg load sits on the flatbed of a 20000-kg truck moving at 12.0 m/s. Assume that the load is…

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Q: A hockey puck (mass = 2 kg) leaves the players stick with a speed of 20 m/s and slides on the ice…

A: The frictional force acting on the puck is, fk=μkmg suppose the acceleration on the puck is a, The…

Q: hicA donkey pulls a block across a rough horizontal surface at constant speed v by applying force F,…

A: Since you have asked multiple questions, we will solve the first one for you. If you need an answer…

Q: Block A (mass ma) rests on a tabletop. It is connected by a horizontal cord passing over a light,…

A: Given data:  Block A rest on tabletop Block B is hanging Kinetic friction between block A and…

Q: An object with a mass of 4kg lies on a rough plane inclined at 20 degrees to horizontal. A force of…

A: mass = 4 kg angle = 20 degree F = 35 N a = 2.5 m/s2

Q: The 118-lb force P is applied to the 250-lb crate, which is stationary before the force is applied.…

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Q: A physics major is cooking breakfast when he notices that the frictional force between the steel…

A: Using the relation between normal force and frictional force

Q: A 14 kg monkey climbs up a massless rope that runs over a frictionless tree limb and back down to a…

A:

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: