Obtain how far does the car travel before coming to rest

Reference no: EM13538215

A roller coaster of mass 250kg has a speed of v=12m/s at point a, located at a height h=15m. The car can move without friction actiong between points a and b.

a) Find speed of car when it reaches point B. Use energy ideas

b) Once past point B, the car feels a friction force of 2000N. How far does the car travel before coming to rest?

Reference no: EM13538215

Questions Cloud

Metal wire of mass m slides without friction on horizontal : A metal wire of mass m slides without friction on two horizontal rails spaced a distance d apart.the track lies in a vertical uniform magnetic field B. A constant current i flows from generator G along one rail across the wire and back down the other..

State a mechanism for the aldol reaction : 1. A chemist wanted to amke 3-hydroxy-pentanal via an aldol condensation a. What two aldehydes could be used to make this product. b.What 3 other products could form. 2. Write a mechanism for the aldol reaction between acetaldehyde and benzaldehyde

What is the acceleration of the small crate : Two wooden crates rest on top of one another. The smaller top crate has a mass of m1 = 24.0 kg and the larger bottom crate has a mass of m2 = 86.0 kg. What is the acceleration of the small crate

Find what is the tangential speed of a point on the rim : A disk of radius 217 cm rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.31 m/s2. what is the tangential speed, v, of a point on the rim

Obtain how far does the car travel before coming to rest : A roller coaster of mass 250kg has a speed of v=12m/s at point a, located at a height h=15m. The car can move without friction actiong between points a and b. How far does the car travel before coming to rest

Find the total mechanical energy of a mass-spring system : Find the total mechanical energy of a mass-spring system with m = 1.46kg and maximum speed 0.600m/s

Effect of material hardness : On a single graph, plot "Hardness" as the ordinate versus "Aging Time" as the abscissa for each aging temperature - Discuss the effect of aging time and temperature on the effect of material hardness.

How much longer will it take to boil half the water away : A 400-W immersion heater is placed in a pot containing 2.0 litters of water at 20 C.(a) how long will it take to bring the water to boiling temperature assuming that 80% of the available energy is absorbed by the water?(b) how much longer will it tak..

Determine what would its new rotation speed be : Suppose a star the size of our Sun (R0 = 695,500 km) rotates at a speed of 1.0 revolution every 12 days. what would its new rotation speed be

User Account

All Pages