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A spring with k = 59 N/m hangs vertically next to a ruler. The end of the spring is next to the 14 centimeter mark on the ruler.
If a 3.0 kilogram mass is now attached to the end of the spring, find where will the end of the spring line up with the ruler marks?
When a 9.36 kg block is placed on top of avertical spring, the spring compresses 4.03 cm. Find the force constant of the spring.
A certain lightbulb filament when hot has a resistance of 205 ?. The potential difference across the filament at a certain instant is standard household voltage, 120 V. What current is flowing through the bulb at that time
A neutron decays into a proton, and an electron. The neutron was initially at rest. What is the direction and speed of the proton
A 250 g Teddy Bear and a 5 kg baby stroller are nudged off a window sill and fall 5 meters to the ground. Determine the speeds and kinetic energies of both objects
A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
a ball rolls off a platform that is 7 meters above the ground. the balls horizontal velocity as it leaves the platform
Recall from thermodynamics that if an object of mass m absorbs an amount of energy Q, its temperature will increase according to Q=mc(Tfinal-Tinitial), where c is th specific heat of the material.
a a wire has a current density of 6.59 times 106 am2. if the cross-sectional area of the wire is 1.05 mm2 what current
A 215-gram sample of a metal is heated to 330oC and then is plunged into a 105-gram aluminum calorimeter cup containing 165 gram of water and a 17-gram glass thermometer at 12.5oC. Find the specific heat of the metal
a block starts at rest and slides down a frictionless track it leaves the track horozontally flys through the air and
a 2.40 v battery and a 1.50 v battery each with an internal resistance of 3.00 ohms are connected in parallel. that
What is the frequency of the motion? What is the initial potential energy of the block-spring system? What is the initial kinetic energy? What is the amplitude of the oscillation?
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