Question

An object slides down a frictionless incline surface. If it starts from rest at a height...

  1. An object slides down a frictionless incline surface. If it starts from rest at a height of 2.7 m, what will be its final velocity? (5 points) What was its velocity in the middle of trip? (5 points)

[Hint: Draw a diagram and apply law of conservation of energy.]

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A 30-kg crate starts from rest, slides down a frictionless incline and then along a rough...
A 30-kg crate starts from rest, slides down a frictionless incline and then along a rough horizontal surface until it comes to rest. The coefficient of kinetic friction between the horizontal surface and the crate is 0.27. If the crate’s initial height is 9 m, find the distance it travels on the horizontal surface.
Problem   1 A11kg   block   starts   from   rest   at   22m   height   and   slides   down   a   frictionless   sem
Problem   1 A11kg   block   starts   from   rest   at   22m   height   and   slides   down   a   frictionless   semicircular   track.Block   collides   with   50   kg   stationary   object   at   the   bottom   of   the   track,   if   objects   stick   together   after   collision.   What   is   the maximum   height   block- object   system   could   reach? i)Draw   a   sketch   of   the   collision ii)Write   expression   for   initial   energy   of       the   falling   block iii)Write   final   energy   of   falling   block iv)Set   the   expressions   equal   and   solve   for   velocity v)Write   the   expression   of   momentum  ...
An object of mass m1=0.410kg starts from rest at point A and slides down an incline...
An object of mass m1=0.410kg starts from rest at point A and slides down an incline surface that makes an angle of 25.0° with the horizontal. The coefficient of kinetic friction between the object and the incline surface is 0.395. After sliding down a distance d=6.50m, it makes a perfectly inelastic collision with an object of mass m2=0.630kg at point B. A) Find the speed of m1 at point B just before the collision B) Find the energy loss during...
A 10 kg box slides down a long, frictionless incline of angle 30°. It starts from...
A 10 kg box slides down a long, frictionless incline of angle 30°. It starts from rest at time t = 0 at the top of the incline at a height of 18 m above ground. (a) What is the original potential energy of the box relative to the ground? ---J (b) From Newton's laws, find the distance the box travels in 1 s and its speed at t = 1 s. ---m ---m/s (c) Find the potential energy and...
A block (4 kg) starts from rest and slides down a frictionless ramp #1 of height...
A block (4 kg) starts from rest and slides down a frictionless ramp #1 of height 9 m. The block then slides a horizontal distance of 1 m on a rough surface with kinetic coefficient of friction μk = 0.5. Next, it slides back up another frictionless ramp #2. Find the following numerical energy values: Initial gravitational potential energy on Ramp #1: U1G =  J Tries 0/3 Kinetic energy at bottom of Ramp #1 before traveling across the rough surface: K...
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of...
A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the block to rest at point B. If the coefficient of kinetic friction is 0.26, what is the distance between A and B?
Part a. Starting from rest, a 14 kg box slides down a frictionless incline that is...
Part a. Starting from rest, a 14 kg box slides down a frictionless incline that is 7 meters tall. What is the velocity of the box at the bottom of the incline? Part b. A thin hoop of mass 14 kg and radius 1.2 m rolls down an incline that is 7 meters tall. What is the velocity of the thin hoop at the bottom of the incline? Part c. A solid disk of mass 14 kg and radius 1.2...
A person starts from rest at the top of a large frictionless spherical surface, and slides...
A person starts from rest at the top of a large frictionless spherical surface, and slides into the water below at what angle θ does the person leave the surface? (Hint: When the person leaves the surface, the normal force is zero.)
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest from a height h = 1.35 m . After reaching the bottom of the incline the box slides with friction (μk=0.2) along a horizontal surface until coming to a rest after a distance d. 1. Draw a free body diagram for the box while it is on the incline. Clearly label all forces with standard names. 2. Draw a free body diagram for the...
A ski starts from rest and slides down a 27° incline 60 m long. Use energy...
A ski starts from rest and slides down a 27° incline 60 m long. Use energy methods. (a) If the coefficient of friction is 0.09, what is the ski's speed at the base of the incline? ___m/s (b) If the snow is level at the foot of the incline and has the same coefficient of friction, how far will the ski travel along the level? ___m