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A 2.50-kg ball, moving to the right at a velocity of +3.83 m/s on a frictionless table, collides head-on with a stationary 8.10-kg ball. Find the final velocities of (a) the 2.50-kg ball and of (b) the 8.10-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
A generator consists of one thousand loops of wire, each enclosing an area 90.cm^2, rotating 50. times per second in a uniform field of 0.15T. Determine the value of effectvie output voltage
A wheel starts to rotate with constant acceleration and in 1minute performs 1000 rotations. Find acceleration and final speed of the wheel
A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s. What was the average force of air resistance exerted on the pinecone
Two rectangular pieces of plane glass are laid one upon the other on a table. A thin strip of paper is placed between them at one edge, Find the angle of the wedge
An isolated conductor of arbitrary shape has a net charge of +8.6 x 10- 6 C. Inside the conductor is a cavity within which is a point charge q = +3.8 x 10-6 C. determine the charge on the cavity wall
What are magnitude and direction of the force
A 750- car stopped at an intersection is rear-ended by a 1730- truck moving with a speed of 16.0 .If the car was in neutral and its brakes were off, Find the final speed of the car
A gasoline engine fuel burns at a temp of 500 degrees Celsius. Its radiator cools to 70 degrees celsius. What is the engines Carnot efficiency
A drawing shows three identical springs hanging from the ceiling. Nothing is attached to the first springs, determine the weight of the block hanging from the third spring
The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.
Two blocks each of mass m = 3.70 kg are fastened to the top of an elevator, If the strings can withstand a maximum tension of 92.0 N, what maximum acceleration can the elevator have before the upper string breaks
A 1.00-kg beaker containing 1.80 kg of oil (density = 916 kg/m3) rests on a scale. A 1.90-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Determine equilibrium readings of both scales.
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