Math/Physics2

The block has mass m=8.5 kg and lies on a fixed smooth frictionless plane tilted at an angle theta=20.0 degrees to the horizontal.

Determine the acceleration of the block as it slides down the plane.

If the block starts from rest 15.0 m up the plane from its base, what will be the block's speed when it reaches the bottom of the incline? Caption: Block on inclined plane.

asked by Era
  1. do the damn problem noob

    posted by dfasdffas
  2. Acceleration across the slope: mg sin theta, that is.. Assuming that there is no friction.. 9.8 m/s^2 X sin 20 = 3.35 m/s^s

    PE = mgh;
    KE = 1/2 X mv^2;
    mgh= 1/2 X mv^2;
    v = sqrt(2gh);
    v = sqrt (294);
    v = 17.1 m/s

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    A block has a mass m=6.9-kg and lies on a fixed smooth frictionless plane tilted at an angle of 24.4 to the horizontal. Determine the acceleration (in m/s2)of the block as it slides down the plane.
  2. Physics

    The block shown in (Figure 1) has mass m = 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle θ = 22.0 ∘ to the horizontal. If the block starts from rest 15.2 m up the plane from its base, what will
  3. physics

    A block lies on a smooth plane tilted at an angle è = 28.5° to the horizontal. Ignore friction. (a) Determine the acceleration of the block as it slides down the plane. 1 m/s2 (b) If the block starts from rest 9.40 m up the
  4. phsyics

    The block shown in figure below lies on a smooth plane tilted at an angle è = 21.5° to the horizontal. Determine the acceleration of the block as it slides down the plane. Ignore friction.
  5. physic

    The block shown in Figure 6 has mass 3500 g and lies on a plane which tilted at an angle θ = 22° to the horizontal. The effective coefficient of kinetic friction is 0.20. Determine the acceleration of the block as it slides
  6. physics

    Acceleration of a Mass in a Pulley System Block 1 of mass m1 slides on a frictionless plane inclined at angle θ with respect to the horizontal. One end of a massless inextensible string is attached to block 1. The string is wound
  7. physics

    A block of mass 3kg which is on a smooth inclined plane making an angle of 30° to the horizontal is connected by a cord passing over a light frictionless pulley to a second block of mass 2kg hanging vertically. What is the
  8. khalsa model senior secondary school

    A block of mass 3kg which is on a smooth inclined plane making an angle of 30° to the horizontal is connected by a cord passing over a light frictionless pulley to a second block of mass 2kg hanging vertically. What is the
  9. Physics

    A 0.9-kg block (mass m) and a second block (mass M) are both initially at rest on a frictionless inclined plane. Mass M rests against a spring that has a force constant of 12.2 kN/m. The distance d along the plane between the two
  10. physics

    A block of mass 39 kg lies on an inclined plane, as shown. The horizontal and vertical supports for the plane have lengths of 36 m and 15 m, respectively, and the coefficient of kinetic friction between the plane and the block is

More Similar Questions