B r = 72 m 27 m 40°, 18 m

Q: A skateboarder with mass m, = 44 kg is standing at the top of a ramp which is h, = 3.9 m above the…

A:

Q: A soccer ball with mass 0.420 kg is initially moving with speed 2.00 m/s. A soccer player kicks the…

A: Mass of the ball = 0.420 kg Initial speed = Vi = 2 m/s Final speed = Vf = 6 m/s Force applied = F =…

Q: A particle of mass m is projected from point A with an initial velocity v0 perpendicular to line OA…

A: Use principle of conservation of angular momentum

Q: moving the box, and have been moving it at 0.73 m/s. You back away, removing your applied force, and…

A: Given problem is based on the theory of friction. When two bodies slip over each other the force of…

Q: single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

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Q: A small block of mass m=.5kg is fire with an initial speed of v0 = 4m/s alog a horizontal section of…

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Q: An object of mass m = 30 kg initially travels to the right at a speed of v = 20 m/s, as seen below:…

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Q: Q2: The 1500-kg car has a velocity of 30 km/h up the 10-percent grade when the driver applies more…

A: Given : mass of the car, m=1500 Kg Initial velocity of the car, u=30 Km/h Final velocity of the car,…

Q: When a car gets to the bottom of a hill, the driver releases the accelerator so that the car coasts…

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Q: A bolt gun contains a spring of spring constant k = 11 N/m which is used to shoot a bolt of mass m.…

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Q: A 3.0 kg block is set moving with an initial speed of 20 m/s on a rough horizontal surface.  If the…

A: The initial velocity is 20 m/s. Because it comes to rest, the final velocity is zero. In order to…

Q: A block of mass 2 kg begins with velocity 2.1 m/s at the top of a curved track at a height h= 8.5 m…

A: The block with mass m is placed at a height (h). By the conservation of energy, the total mechanical…

Q: The block in the figure is moving on the horizontal frictionless surface with an initial velocity…

A: Given,  mass, m initial speed, v0=4 m/s Final speed, v=0 m/s Height, H = 1.0 m acceleration due to…

Q: a runaway truck with failed brakes is moving downgrade at 130 km/h just before the driver steers the…

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Q: A cube of mass m is initially at rest at the top of an inclined plane, which has a height of 6.6 m…

A: mass of cube = m initial height = 6.6 m θ = 21ov = 0.65 mscoefficient of friction between the cube…

Q: Hi I am in physics I, and they have the problem: In a baseball game, the 145g ball reaches the…

A: it is not (0,1+5 kg) it is 0.145 kg typing error.Mass of the ball is 145 grams = 0.145 kg

Q: A girl throws a ball at an inclined wall from a height of 3 ft, hitting the wall at A with a…

A: Consider the diagram when the ball collides with the wall.

Q: The figure shows a photo of a swing ride at an amusement park. The structure consists of a…

A: as per our guidelines we are supposed to answer up to 3 subparts of a question. Kindly repost…

Q: A player throws a ball with mass of 100 grams at an initial velocity vo = 25 m/s with an angle 8 =…

A: 1. Using conservation of Total Mechanical Energy is the most appropriate method to be used for…

Q: A hockey puck slides with constant velocity, from point “a” to point “b” along a frictionless…

A:

Q: A projectile of mass 0.719 kg is shot straight up with an initial speed of 22.1 m/s. (a) How high…

A: Mass (m) = 0.719 kg Initial speed (u) = 22.1 ms

Q: T4.00 m 25.0 m 12.0 m 30 m V=

A: By conservation of energy Mgh1+12Mv12=Mgh2+12Mv22 v22=g(h1-h2)+v12

Q: Jestoni pulls Junry whose mass is 55 kg and who is sitting on a swing with rope of length 4 m,…

A: Given: The mass (m) of Junry is 55 Kg. The length (h) of the rope is 4 m. The angle (θ) rope makes…

Q: Given are 4 points in space: (x,y,z) units are in meters A (3,2,3) B (0,1,4) C(2,4,1) D(0,5,4) The…

A: Let O be the origin . Than a vector having line of action at B and A is given as the difference of…

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.…

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Q: A golf club strikes a 0.062-kg golf ball in order to launch it from the tee. For simplicity, assume…

A: Suppose a golf club hits a ball having mass m with the force F and the golf club is in contact with…

Q: Two blocks (m1=5.2 kg, m2=3.6 kg), initially held at rest, are connected by a string that passes…

A: As the acceleration of the system is zero, therefore the tension in the string is simply…

Q: A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles…

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Q: In the figure, a runaway truck with failed brakes is moving downgrade at 109 km/h just before the…

A:

Q: A man pushing a crate of mass  m = 92.0 kg  at a speed of  v = 0.860 m/s  encounters a rough…

A: SOlution: Given that m = 92 kgv = 0.86 m/sL = 0.65 mcoefficient of friction = 0.36 F = 279 N

Q: A particle of mass m is subject to a conservatives force F= a/x i where a is a constant. The…

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Q: A block of mass m = 3 kg starts to slide from rest along a frictionless inclined surface that makes…

A: During projectile motion object moves under the effect of gravity only .

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A: According to the conservation of energy, total energy at each hill must be equal. potential…

Q: In the winter sport of bobsledding, athletes push their sled along a horizontal ice surface and then…

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Q: In an upright standing frictionless hollow cylinder (radius R), a Isphere (point mass m) is inserted…

A: Given, Radius of Cylinder = R mass of sphere = m Initial velocity of sphere = vo Height of Cylinder…

Q: A net force along the x-axis that has x-component Fx = -12.0 N + (0.300 N/m2)x2 is applied to a 5.00…

A:

Q: In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but…

A: Height (h) = 370 m Terminal speed (v) = 59 m/s Mass (m) = 67 kg Force (F) = 1.2×105 N

Q: An extreme skier, starting from rest, coasts down a mountain that makes an angle of 35.3 ° with the…

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Q: The only force acting on an object of mass 2.00 kg moving along the x-axis is shown in the figure.…

A: Consider that the area under the curve will tell the impulse that is needed to separate -Ve and -ve…

Q: Two blocks are sliding to the right accross a horizontal surface, as the drawing shows. In Case A…

A: Consider the figure, the free body diagram of block 1 and block 2 for the two-block system is…

Q: A man ( mass = 100 kg) fall freely from rest and strikes the ground. During the collision with the…

A: mass=100 Kg time=0.2s Force exerted=2000N

Q: David throws a 50 kg cart down a ramp with an initial speed of vi = 6 m/s. The ramp is at an angle…

A:

Q: A 34.2 kg block slides with a velocity of 10.22 m/s to the right on a frict figure above). The block…

A: Given:- The Block of mass m = 34.2 kg  The initial velocity of the block  v = 10.22 m/s  The height…

Q: A ball of mass m =1.80 kg is released from rest at a height h = 65.0 cm above a light vertical…

A: (a)   From the equation of motion, the speed of the ball just as it touches the spring can be…

Q: 200N 100N 3

A:

Q: A block of mass m is initially at rest at the top of an inclined plane, which has a height of 4.8 m…

A: In this question we have to determine the speed of the block after it leaves the inclined plane and…

Q: Consider a flat-bed truck whose mass, including its contents, is supported equally by its four…

A: The frictional force is equal to the frictional coefficient times the normal force.  F=μfN Here, F…

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.