How much energy was dissipated by friction

Assignment Help Physics
Reference no: EM13251591

A 66kg skier starts from rest at the top of a 1200 m long trail which drops a total of 230m from top to bottom. At the bottom, the skier is moving 11m/s.

1. how much energy was dissipated by friction?

Reference no: EM13251591

Questions Cloud

Future applications of biotechnology : Provide at least three real-world examples of current or future applications of biotechnology in either of these fields. Present a minimum of three reliable references.
Stress transformation method : Use the stress transformation method to determine the normal and shear stresses acting on the inclined joint and show clearly their direction of action on the joint plane.
Determine the magnitude of the net force on the loop : A rectangular loop of wire is placed next to a straight wire, as shown in the (Figure 1) . There is a current ofI = 4.5A in both wires
How fast was sedan traveling just before the collision : A 1600kg sedan goes through a wide intersection traveling from north to south when it is hit by a 2500kg SUV traveling from east to west. How fast was sedan traveling just before the collision
How much energy was dissipated by friction : A 66kg skier starts from rest at the top of a 1200 m long trail which drops a total of 230m from top to bottom. how much energy was dissipated by friction
Determine the value of the time constant : An LR circuit is constructed using a (10.0 +/- 0.1) ohm resistor and a (330 +/- 3) mH inductor. Determine the value of the time constant from the exponential fit
How high can she swing upward : Jane looking for tarzan, is running at top speed (5.7m/s) and grabs a vine hanginf vertically from a tall tree in the jungle. How high can she swing upward
Find an expression for the acceleration of this object : Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
Represents model as a markov chain : Select the most appropriate transition matrix that best represents this model as a Markov chain

Reviews

Write a Review

Physics Questions & Answers

  Find the time a transverse wave takes to travel the length

A racing car start from rest in the distance and accelerates with a uniform rate of speed 35m/s in 11 sec moving in a circular path of radius 500 m assuming constant tangential acceleration find (1) the tangential acceleration. (2) The centripetal..

  Evaluate how high does it rise above the ground

A rocket moves upward, starting from rest with an acceleration of 29.9 m/s2 for 3.31 s. It runs out of fuel at the end of the 3.31 s but does not stop. Evaluate how high does it rise above the ground?

  Find the minimum velocity of the cylinder

In a carnival they often have a large r = 16 m, cylinder which people stand against the outer wall while it rotates with some velocity, What is the minimum velocity of the cylinder to make someone "stick" to the wall in m/s

  From what metal is the cathode made

A photoelectric-effect experiment determines a stopping potential of 1.93 eV while light of 200 nm is used to illuminate the cathode.

  What is the acceleration at the higest point

A stone is thrown upward with an inital speed of 20 m/s. What is its acceleration at the higest point of its trajectory, Find its veolocit

  Find out a magnitude and direction of the electric field

Find out a magnitude and direction of the electric field

  Illustrate what is the expected acceleration of the glider

A glider moves frictionlessly along an air track that has been tilted by 1.5 inches over a span of 1.00 meters. Illustrate what is the expected acceleration of the glider.

  At what angle should the road be banked

At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.

  What fraction of the balls volume

An airplane is flying with a velocity of 90 at an angle of 22 above the horizontal. When the plane is a distance 122 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.

  What are the tensions in the two upper cables tl and tr

A mass of 50 kg hangs from a cable that, in turn, is tied to two other cables, What are the tensions in the two upper cables, TL and TR

  Find out its speed when it has moved

A 151 kg car rounds a curve of radius 163 m at 46 m/s. The acceleration of gravity is 9.8 m/s2 . What force must the road exert on its tires to hold the car on course? find out its speed when it has moved?

  How much work the power plant produces in a day

How much work the power plant produces in a day. How much energy is discarded to low temperature source in a day.

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