A track is built so that going around a curve (R = 65.0 m), the banking of the track will allow the automobile to safely travel the curve when there is no friction at a speed of 22.0 m/s. (a) What is the angle of the banking for the curve?  (b) What coefficient of friction is required for the vehicle to travel the same curve with a speed of 34.0 m/s?

Q: A student is skateboarding down a ramp that is 6.95 m long and inclined at 24.1° with respect to the…

A:

Q: A 2 kg object is released from rest at the top of a frictionless incline of an 39.1 angle. Given the…

A:

Q: You are a member of an alpine rescue team and must get a box of supplies, with mass 3.00 kg , up an…

A: Given: The mass of the box m = 3 kg. The angle of the slope θ = 30o. The height of the skier h =…

Q: Consider the 58.5kg mountain climber in the figure. Given Cos = 31 and Sin = 15. What is the minimum…

A:

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: A sled starts up a 2727 degree incline with a speed of 3.13.1 m/s. The coefficient of kinetic…

A:

Q: A car created 68.5 m long skid marks at a traffic wreck scene. A State Patrol investigator uses a…

A:

Q: A block of mass 2 kg begins with velocity 2.3 m/s at the top of a curved track at a height h= 9.9 m…

A: Mass of the block, m=2 kg velocity at point A, V1=2.3 m/s velocity at point E, V3 =0 Height, h=9.9 m…

Q: A rope tow is used to move snow skiers along a 40º incline. The tow is designed to simultaneously…

A: The objective of the question is to find the total force that the winch at the top of the hill must…

Q: A body falls from rest from point A at a height of 15 m down the ramp shown in the figure. There is…

A: The height of the point A, hA=15 m   The length of the section BC, ∆x=4 m   The height of point D,…

Q: A box is launched up a rough incline with an initial velocity, vo = 6.7 m/s, as in the figure below.…

A:

Q: A block is projected up a frictionless inclined plane with initial speed vo = 1.54 m/s. The angle of…

A:

Q: A skier begins at the top of a 10.9-degree-inclined slope. The slope is 220 metres long, with a…

A: Given, θ= 10.9 ° The length of inclined slope, L= 220 m coefficient of friction of 0.0750

Q: The figure below shows a block of mass 0.5 kg moving on the inside surface of a vertical circular…

A: Workdone by gravity on the block as it slides to the top of the loop, W_gravity = -m*g*(2*R) =…

Q: A block is thrown toward the top of an inclined plane that makes an angle of 35° with the horizontal…

A: The initial velocity is u = 17 m/s.The angle of inclination of the plane is θ = 35°The coefficient…

Q: ŁOne non-powered sled is sliding over a snowed surface, first down from the top of Rat and inclined…

A: Given: The inclination of the plane surface with horizontal is 45 degrees The top of the inclined…

Q: The kinetic friction force between a 8.1-kg object and a horizontal surface is 72 N. If the initial…

A:

Q: Which of the following is correct? The angle of friction is equal to depression angle at impending…

A:

Q: A 7.0 kg mass is connected to a 1.0kg mass over a pulley. The coefficient of kinetic friction is…

A: Solution

Q: A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above…

A: Part-a Given: The mass of the tractor M = 5400 kg. The mass of the crate m = 1400 kg. The angle of…

Q: Question 12. A water slide is constructed so that swimmers, starting from rest at the top of the…

A: Introduction: 1) Potential energy stored inside an object due to it's height with reference to…

Q: A 25 N block starts from rest and slide 9 m down a roof with a slope of 2 horizontal to 1 vertical…

A: Given that a 25 N block slides 9m down a roof with slope 2 with coefficient of friction µ=0.1 and…

Q: A block of mass m = 7.4 kg is placed on a rough inclined surface making an angle of 0 = 32° with the…

A: Mass of the block m=7.4 kg, inclination angle θ=32o, distance moved by the block d=6.7 m and…

Q: 10 kg A 30° A block of mass 10.0 kg sits on a 30° incline, with a rope attached as shown. The rope…

A:

Q: Which of the following is correct? The angle of friction is equal to depression angle at impending…

A:

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

A: Given data: Initial speed vi=7.75 m/s Frictional constant μ=0.0704 mass m=23.0 kg Inclination angle…

Q: f the coefficient of kinetic friction is 0.45 between a 25 kg crate & the floor, how much force is…

A: The expression for find required force to move the crate is F=μmg

Q: Question 9 of 11 1 Points The coefficient of kinetic friction is / Die koëffisiënt van kinetiese…

A:

Q: A block of mass m=6kg with initial speed of vi=12.5m/stravels a distance d=11.9m on an inclined…

A: This the required FBD of the system. The friction force will be opposite to acceleration a and…

Q: A skier starts going down a rocky hill that is inclined 30 degrees from the horizontal. It is 2 km…

A:

Q: The blue box on the inclined plane is attached to the green cart and a pulley. Assume that all…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: In the figure here, elevator cabs A and B are connected by a short cable and can be pulled upward or…

A:

Q: A student is skateboarding down a ramp that is 5.02 m long and inclined at 23.6° with respect to the…

A:

Q: Two blocks (mA=14kg,mB=21kg) are connected by a string passing through a massless pulley as shown in…

A:

Q: A block with mass m is placed on the top of a smooth cline. The cline is h=4.3m high. The block is…

A: The mass is initially placed at the top of a 4.3 m high inclined surface. The potential energy of…

Q: A mother pushes her child on a swing so that his speed is 9.00 m/s at the lowest point of his path.…

A:

Q: A block with mass m is placed on the top of a smooth cline. The cline is h=4.7m high. The block is…

A: According to work-energy theorem :- work done by all the forces is equal to change in kinetic…

Q: You are a member of an alpine rescue team and must get a box of supplies, with mass 2.10 kg, up an…

A: Given:The mass is .The angle is .The vertical distance is .The coefficient of friction is .The…

Q: A block of mass 1.96kg is accelerated across a rough surface by a rope passing over a pulley, as…

A:

Q: A 12-lb block moves from the conveyor belt to a table by travelling around a smooth, semicircular…

A:

Q: A toy car has a friction coefficient of 0.03. On a 30 degree incline starting from rest, what…

A: This is a question regarding to the motion of a body under gravity. The figure for the problem can…

Q: A block is projected up a frictionless inclined lane with initial speed vo-8.42 m/s. The angle of…

A:

Q: A wagon with its passenger sits at the top of the hill. The wagon is giving a slight push and rolls…

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.