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Three air carts have masses, 4m,2m and m. the most massive cart hasan initial speed of Vo; the other two carts are at restinitially. All carts are equipped with spring bumpers that give elastic collisions.
a) find the final speed of each cartb) verify that the final kinetic energy of the system is equalto the initial kinetic energy. (assume the air track is long enoughto accommodate all collisions)
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is rising with an acceleration of 2.6 m/s2. Identify the force.
Three identical point charges each of charge q are located at the vertices of an equilateral triangle, Find a symbolic expression for the electric potential at the center of the triangle
A 0.160-kg baseball is pitched with a speed of 34.5 m/s (77.2 mph). When the ball hits the catcher's glove, the glove moves back by 5.03 cm (1.98 in.) as it stops the ball. What impulse was applied to the baseball
Two blocks of masses m1 = 2.00 kg and m2 = 4.25 kg are each released from rest at a height of y = 5.20 m on a frictionless track, obtain the velocity of each block just before the collision
A light ray incident on equilateral glass prism, shows minimum deviation of 30degree. Calculate speed of light in glass
A 750 air-track glider attached to a spring with spring constant 10.5 is sitting at rest on a frictionless air track. A 475 glider is pushed toward it from the far end of the track at a speed of 118 .
Block A with mass 0.050 kg is released from rest at the rim of a frictionless hemispherical bowl that has radius R = 0.600 m. What is the speed of the combined object
A glass rod is rubbed with silk and acquires a charge ofmagnitude 7.50 nC. What is the change in mass of the rod
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 103 W. How much energy does it deliver into a home during 2 h of continuous operation? How much energy does it extract from the outside air?
The drill bit of a variable-speed electric drill has a constant angular acceleration of 5.65 rad/s2. The initial angular speed of the bit is 6.56 rad/s. what angle has the bit turned through
questiona 664-turn circular-loop coil 11.2 cm in diameter is initially aligned so that its axis isnbspparallel to
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