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A ball with mass 450 grams hangs from a spring that is hanging from a ceiling. The spring's stiffness is 110 Newton’s/meter and its relaxed length hanging from the ceiling by the ball is 12.7 cm. What would be the relaxed length of the spring if the ball was detached and the spring was laid on a table?
A ball of mass 5.0 kg is lifted off the floor a distance of 1.7m. What is the change in gravitational potential energy of the ball? If the ball is released from rest and falls to the floor, what is the kinetic energy of the ball just before it hit..
Suppose 0.001 m3 of a monatomic gas, initially at 284 K and 1.1 atm, is suddenly compressed adiabatically to half its initial volume. Find the heat that flowed into/out of the gas
A sled weighing 189N rests on a 15° incline, held in place by static friction. The coefficient of static friction is 0.50.
The sun's mass is 1.99 x 10^30 kg, the earth's mass is 5.98 x 10^24 kg, and the moon's mass is 7.36 x 10^22 kg. The average distance between the moon and the earth is 3.82 x 10^8 m, and the average distance between the earth and the sun is 1.50 x ..
Tom the cat is chasing Jerry the mouse across a table surface1.5 m above the floor. What velocity components will he have just before he hits
Water is supplied to an office building 44.0 m high through a pipe at ground level. Find the pressure in the larger pipe on the ground floor
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, Find the expressions for the electric field inside the sphere
Compute the y-component of acceleration
A piece of glass has a temperature of 73.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, determine the specific heat capacity of the liquid
a string is wrap[ed tightly around the circumference of a wheel with a mass of 1.23 kg and a radius of 0.324m. what is the moment of inertia of the wheel
he first person is initially moving forward with a speed of 2.50 m/s, and the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and ..
A spring is hung from a ceiling, and an object attached to itslower end stretches the spring by a distance of 5.00 cm from its unstretched position when the system is in equilibrium. determine the mass of the object
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