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A block (m = 3 kg) is sitting on a horizontal frictionless table. A spring (k = 500 N/m) is mounted at the side of this block so that when the block is used to compress the spring, the spring pushes back horizontally. If the block is used to compress the spring by 10 cm, with what velocity does it slide across the table?
Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ice at. Find the amount of heat it would take to bring all of the ice to its melting point
A rocket moves upward, starting from rest with an acceleration of 33.4 m/s2 for 3.47 s. It runs out of fuel at the end of the 3.47 s but does not stop. How high does it rise above the ground.
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
A cockroach of mass m lies on the rim of a uniform disk of mass 7.00 m that can rotate freely about its center like a merry-go-round. obtain the angular velocity of the cockroach-disk system
1.0 kg of ice at temperature T' = 0 oC is melted into water at the same temperature by placing it in contact with a reservoir at temperature T = 22.1 oC. What is the change in the entropy of the universe to two decimal places
A car of mass M = 1000kg traveling at 60.0km/hour enters a banked turn covered with ice. What is the radius (r) of the turn if theta = 20.0 degrees
If you place a 0.0001-C charge halfway between the terminals of a common 9-v battery, 5 mm apart, what force will that charge experience.
A 15 kg brick rests on a roof that is at an angle of 40º to the horizontal. What is the component of the force into the surface of the roof
a particle's rest mass is 1.25 M0c^2, decays into two identical paricles of mass .45M0 each. calculate the possible velocities of the mother particle
Two 1.0 g beads, each charged to +5.0 nC, are 2.0 cm apart. A 2.0 g bead charged to -10 nC is exactly halfway between them. What are the speeds of the positive beads
An airplane is flying in a horizontal circle with constant speed. In this situation, what is performing a harmonic oscillation
A halfback is initially running south at a speed of 9.90 m/s, quickly cuts to his right, and 0.505 s later is running 60.0° west of south at 9.10 m/s
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