A roller coaster has a vertical drop of 686m the speed at

Assignment Help Physics
Reference no: EM13638701

A roller coaster has a vertical drop of 68.6m. The speed at the end of the drop is 35.6 m/s. The car is at rest at the end of the drop. What percent of the initial mechanical energy is dissipated by friction?

Reference no: EM13638701

Questions Cloud

To determine the molar volume of a gas stp a tube : to determine the molar volume of a gas stp a tube containercontaining potassium chlorate and manganese iv oxide
A 260-g lead bullet at 320degc is fired at a speed of 210 : a 2.60-g lead bullet at 32.0degc is fired at a speed of 210 ms into a large block of ice at 0degc in which it becomes
A five number summary for hours studied in a week were 5 12 : a five number summary for hours studied in a week were 5 12 14 18 and 20. what was the shortest number of hours studied
Determine the time it takes to complete the turn note the : in an ideal situation a jet will turn with a constant radius of curvature when it changes the course of its
A roller coaster has a vertical drop of 686m the speed at : a roller coaster has a vertical drop of 68.6m. the speed at the end of the drop is 35.6 ms. the car is at rest at the
Let the interval -rr be the base of a semicircle if a point : let the interval -rr be the base of a semicircle. if a point is selected at random from this interval assign a
Afair coin is tossed independently five times ie pheads : a fair coin is tossed independently five times i.e. pheads ptails 0.5what is the probability ofa all headsb no headsc
The duration of the impact is 0001 s and the watch bounces : a fragile object dropped onto a hard surface breaks because it is subjected to a large impulsive force. if u drop a
Suppose that the diameters of bearings are independently : suppose that the diameters of bearings are independently normally distributed random variables with mean1.005 and

Reviews

Write a Review

Physics Questions & Answers

  Evaluate the torque on the door

A man applies a force of F = 3.00 102 N at an angle of 60.0° to a door, x = 1.90 m from the hinges. Find the torque on the door

  What is the maximum time resolution for human hearing that

given that the speed of sound in the air is 343 ms and that human ears are typically 20 cm apart what is the maximum

  Find the surface charge density a

A spherical conductor with radius 2.00 cm is centered on the origin and holds charge q1=-250 nC, Find the surface charge density a(charge per area) on the outside surface of the outer spherical shell

  Find the frictional force acting on the two cars

A 1120 kg four door sedan hits a 1420 kg minivan that is at rest. The two cars lock together and skid 12.0 m on a level surface before stopping. what is the frictional force acting on the two cars

  Calculate the initial and final kinetic energies for system

A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.

  What average force does the molecule exert on the wall

The average speed of a nitrogen molecule in air is about 6.70 ? 102 m/s, and its mass is about 4.68 ? 10-26 kg, What average force does the molecule exert on the wall

  A ?ywheel in the form of a heavy circular disk of diame

A ?ywheel in the form of a heavy circular disk of diame

  Q1 helium he a monatomic gas fills a 0009 m3 container the

q1. helium he a monatomic gas fills a 0.009 m3 container. the pressure of the gas is 6.00 105 pa. how long would a 0.25

  Determine what is the static frictional force

A block of mass 2.0 kg rests on a horizontal surface. The coefficient of static friction between the block and the surface is 0.30. What is the static frictional force

  What is the magnitude of the trains acceleration

assume a block of mass 25.0 kg rests on a horizontal plane, and the coefficient of static friction between the surfaces is 0.220. what is the actual static frictional force that acts on the block if an external force of 25.0 N acts horizontally on..

  Coefficient of kinetic friction between runners of sled-snow

A 20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 35 N. Starting from rest, the sled attains a speed of 2.6 m/s in 9.1 m. Find the coefficient of kinetic friction between the runners of the sled and the sn..

  What is the rocks speed when it hits the water

Imagine that you are standing at the top of a cliff 45 m high overlooking the ocean and you throw a rock straight downward at a speed of 15m/s

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