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In a nonrelativistic one-dimensional collision, a particle of mass 2m collides with a particle of mass m at rest. If the particles stick together after the collision, what fraction of the total kinetic energy is lost in the collision?
two gear wheels with radius of 25 cm an 60 cm have interlocking teach. How many radians does the smaller wheel turn
Two copper blocks, each of mass 1.00kg, initially have differenttemperatures, 20 degree celsius and 28 degree celsius. Estimate the entropy change of each block
In the first stage of a two-stage Carnot engine, energy is absorbed as heat Q1 at temperature T1 = 530 K, What is the efficiency of the engine
A box of mass 29.7 kg slides down an inclined plane without friction. If the acceleration, a, of the box along the direction ofthe plane is 4.1 m/s2, what is the angle q (in degrees) of the plane with respect to the horizontal?
Two balls, of masses = 60 and = 70, are suspended. The lighter ball is pulled away to a 67 angle with the vertical and released. Suppose that the positive axis is directed to the right.
one mole of an ideal gas at 1 atm and 0 C is compressed isothermally from 50 L to 20 L. What is the change of internal energy for this gas
The coefficient of static and kinetic frictions between a 3 kg box and a desk are .4 and .3 respectively. What is the net force on the box when a 10 N horizontal force is applied to the box
A uniform ladder 7.30 long weighing 435 rests with one end on the ground and the other end against a perfectly smooth vertical wall. What force does the wall exert on the ladder
Water at 22.0 °C is sprayed onto 0.203 kg of molten gold at 1063 °C (its melting point). What is the minimum mass of water that must be used
In an echolocation lab, a student measures the time from the first click of the fingers to the first echo to be 0.0062. what should the student calculate for the length of the tube
A long distance runner starts at given place and runs around a circular track of 63m radius at a speed of 6.0m/s in the clockwise direction for 60 seconds, how far around the track is the runner from the starting point
A step-down transformer has a turns ratio of 1:10, and its primary is connected across the terminals of a standard 120-V wall socket. What power P is dissipated in the resistor
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