Find what is the magnitude of the kinetic frictional force

Assignment Help Physics
Reference no: EM13564096

A 36-kg skier coasts up a snow-covered hill thats makes anangle of 25o with the horizontal. The initial speed ofthe skier is 6.6m/s. After coasting a distance of 1.9 m up theslope, the speed of the skier is 4.4 m/s.

(a) Find the work done bythe kinetic frictional force that acts on the skis.

(b) what is the magnitude of the kinetic frictional force?

Reference no: EM13564096

Questions Cloud

What is the angle between the two refracted beams : A light beam strikes a piece of glass at a 72.00^\circincident angle. The beam contains two wavelengths, 450.0{\rm nm}and 700.0 {\rm nm},for which the index of refraction of the glass is 1.4820 and1.4742, respectively
Define what mass of each substance will be found in the room : what mass of each substance will be found in the room? State whatever assumptions were necessary in order to complete this problem.
What is the magnitude of the total magnetic force : A current of 0.14 A is maintainedin a rectangular loop of wire lying flat on a table top. what is the magnitude of the total magnetic force on the wire loop
Define the lewis symbols for the most stable ion of element : Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element. Treat n=4 as the valence shell in all cases.
Find what is the magnitude of the kinetic frictional force : A 36-kg skier coasts up a snow-covered hill thats makes anangle of 25o with the horizontal. what is the magnitude of the kinetic frictional force
Explain equations for the dissociation of the in water : Write equations for the dissociation of the following in water. Include physical states for all species.(NH4)2SO4
Explain compression of the gasoline air mixture in a piston : The following processes occur in an internal combustion engine. For which one is the entropy change negative
Circular coils of current-carrying wire have magnet moment : Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.091 m, 120 turns, and carries a current of 3.3 A. The second coil has 170 turns and carries a current of 9.1 A. What is the radius of the seco..
Explain what is the amount of 10.00% acetic acid : What is the amount of 10.00% acetic acid you would need to add to 100.0 ml of milk in order to bring the final acidity to 1.00% acetic acid

Reviews

Write a Review

Physics Questions & Answers

  Compute the precession rate

A certain gyroscope consists of uniform disk with a 50 cm radius mounted at the center of an axle that is 11 cm long and of negligible mass. what is the precession rate

  Determine the impulse imparted to the golf ball

A golf ball of mass 0.045 kg is hit off the tee at a speed of 32m/s . The golf club was in contact with the ball for 3.10×10?3s. Find the impulse imparted to the golf ball

  Compute the pressure that each ski exerts on the snow

A 72 kg skier is going down a slope oriented 37° above the horizontal. Determine the pressure that each ski exerts on the snow

  Compute how many moles of gas are present

An ideal gas at 11.7 °C and a pressure of 2.42 x 105 Pa occupies a volume of 3.84 m3. How many moles of gas are present

  What is the initial thermal energy of each gas

A 120cm3 box contains helium at a pressure of 1.50atm and a temperature of 80.0?C. What is the initial thermal energy of each gas

  Find the net loss of radiant power from the body

Suppose the skin temperature of a naked person is 34.3 °C when the person is standing inside a room whose temperature is 21.3 °C. Assuming the emissivity is 0.673, find the net loss of radiant power from the body

  What power must be supplied to the rope

A taut rope has a mass of 0.160 kg and a length of 3.40 m. What power must be supplied to the rope in order to generate sinusoidal waves having an amplitude of 0.120 m and a wavelength of 0.490 m and traveling with a speed of 31.5 m/s?

  What is the potential difference

In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?

  Calculate the final speed of the person

A rescue helicopter lifts a 85.3-kg person straight up by means of a cable. Use the work-energy theorem and find the final speed of the person

  Qwater flows over a dam at the rate of 670 and falls

q.water flows over a dam at the rate of 670 and falls vertically 78 before striking the turbine blades.estimate the

  At what rate will this refrigerator deliver heat to the room

The coefficient of performance of a refrigerator is defined as the ratio of heat extracted from the refrigeration compartment to the work required to operate the refrigerator

  Determine the normal force on the block

A block with a mass of 40 kg is on an inclined plane with an angle of 20 degrees. Determine the normal force on the block

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd