physics

1.A cylinder rolls without slipping on a horizontal plane and then up an incline. The linear speed of the cylinder at the beginning is v. What maximal height h will the cylinder reach?

2.Helicopter of mass M holds stationary in the air fires a missile of mass m<< M with a speed v. Find the recoil speed of the helicopter.

  1. 👍 0
  2. 👎 0
  3. 👁 81
asked by Sandhya
  1. 0= Mv + mu
    Mv/m = Mu/m
    U= -Mv/m

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A solid cylinder rolls down an incline plane without slipping. If the center of mass of the cylinder has a linear acceleration of 2.67 m/s2, what is the angle of the incline to the horizontal?

    asked by Mary on July 21, 2015
  2. Physics Classical Mechanics

    A hollow cylinder of outer radius R and mass M with moment of inertia about the center of mass Icm=MR2 starts from rest and moves down an incline tilted at an angle θ from the horizontal. The center of mass of the cylinder has

    asked by Anonymous on November 14, 2013
  3. physics

    1.Three masses, m1, m2, and m3, are lying on a plane without friction and are connected by a string. A force F is applied to the mass m1 so that the whole system accelerates along a straight line. What is the tension of the string

    asked by Sandhya on May 3, 2011
  4. engineering science

    A solid cylinder rolls from rest down an incline 6m high without slipping. calculate the linear velocity at the foot of the plane

    asked by David on February 22, 2016
  5. physics

    A solid cylinder has a mass of M and radius R. If it rolls without slipping on a horizontal surface with a linear speed of v, how high will it roll up an incline of angle θ? Don’t worry about friction. The moment of inertia for

    asked by anonymous on December 7, 2018
  6. Physics

    A uniform solid sphere rolls down an incline without slipping. If the linear acceleration of the center of mass of the sphere is 0.21g, then what is the angle the incline makes with the horizontal?

    asked by Sean on March 16, 2012
  7. physics

    A solid cylinder of radius 0.85m is released from rest from a height of 1.8m and rolls down the incline as shown. What is the linear speed of the cylinder when it reaches the horizontal surface?

    asked by Samantha on June 2, 2011
  8. Physics

    A solid cylinder of radius 0.85m is released from rest from a height of 1.8m and rolls down the incline as shown. What is the linear speed of the cylinder when it reaches the horizontal surface?

    asked by Samantha on June 2, 2011
  9. Physics

    15. [1pt] A thin hoop of radius r = 0.59 m and mass M = 9.2 kg rolls without slipping across a horizontal floor with a velocity v = 3.3 m/s. It then rolls up an incline with an angle of inclination θ = 31°. What is the maximum

    asked by Morgan on November 5, 2011
  10. physics

    A solid ball of radius b and mass m is released from the top of an incline of the incline is at the height h above the ground. If the ball rolls without slipping, what willl be its linear speed when it reaches the botton of the

    asked by pakilina on November 25, 2011

More Similar Questions