1. Questions

physics

Two packing crate of masses 10.0kg and 5.00kg are connected by a light string that passes over a frictionless pulley .the 5.00kg crate lies on a smooth incline of angle 40.0 degree find acceleration of the 5.00kg crate and the tension in the string

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
rose

  1. m1=10 kg, m2 = 4 kg, α = 40º.

    m1•a= m1•g -T,
    m2•a = T – m2•g•sinα,
    a•(m1 +m2) = m1•g –T+T- m2•g•sinα =
    = g•(m1 – m2•sinα),
    a= g•(m1 – m2•sinα)/(m1 +m2),
    T = m1•(g -a).

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    Elena

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    Two masses are hung are connected by a light cord and hung from a frictionless pulley of negligible mad are shown. Mass m1=3.00kg and mass m2=2.00kg. When the two masses are released from rest, the resulting acceleration of the

  2. physics

    THree blocks of masses 3m, 2m and m are connected to strings A,B, and C. The blocks are pulled along a rough surface by a force of magnitude F exerted by string C. The coefficient of friction between each block and the surface is

  3. physics

    Two objects with masses of 3.00 kg and 7.00 kg are connected by a light string that passes over a frictionless pulley (a) Determine the tension in the string. .N (b) Determine the magnitude of the acceleration of each mass. .m/s2

  4. physics

    A string of 29 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 65 W. What is the equivalent resistance of the light string? Answer in units of Ω

  1. Physics

    A 6.0kg box is on a frictionless 45∘ slope and is connected via a massless string over a massless, frictionless pulley to a hanging 2.4kg weight. What is the tension in the string if the 6.0kg box is held in place, so that it

  2. Physics- Help! Due soon!

    Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.00 kg crate lies on a smooth incline of angle 40.0°. Find the

  3. physics 1

    a 5.00kg object placed on a frictionless horizontal table is connected to a string tat passes over a pulley and then is fastened to a hanging 9.00kg object.Find the acceleration of the two objects and the tension in the string.

  4. Science

    2.1 Two blocks of mass M kg and 2.5kg respectively are connected by a light, inextensible string. The string runs over a light, frictionless pulley ,The blocks are stationary 2.1.1 calculate the tension in a string The coefficient

  1. PHYSIC

    TWO BLOCKS ARE CONNECTED BY A LIGHT STRING THAT PASSES OVER A FRICTIONLESS PULLEY AS SHOWN IN THE DIAGRAM. THE COEFFICIENT OF KINETIC FRICTIONBETWEEN THE 6.0KG BLOCK AND THE SURFACE IS 0.25.FIND THE ACCELERATION OF THE 8-KG BLOCK

  2. Physics

    Two packing crates of masses m1 = 10.0 kg and m2 = 3.50 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 3.50 kg crate lies on a smooth incline of angle 37.0°. Find the

  3. PHYSICS

    two masses m1=400.g and m2 =600.g are connected with a light string which goes over a frictionless pulley of negligible mass. the two systems are released from rest. a) what is the acceleration of each mass? b) what is the tension

  4. physics

    Two blocks with masses 5 kg and 2 kg are connected (via frictionless, massless pulleys) by a light, inextensible string, as shown. There is no friction between the 5 kg block and the horizontal surface on which it moves. The

View more similar questions or ask a new question.