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A cart with mass 310 g moving on a frictionless linear air track at an initial speed of 1.0 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction at 0.47 m/s.
(a) What is the mass of the second cart?
(b) What is its speed after impact?
(c) What is the speed of the two-cart center of mass?
An ideal refrigerator does 160 J of work to remove 570 J of heat from its cold compartment during each cycle. What is the refrigerator's coefficient of performance
q1. a propeller spins at 1890 revmin.a what is its angular velocity in rads?b what is the angular displacement of
A pendulum consisting of a ball of mass m hanging from a massless rope is dropped from a height h. How high does the ball on the pendulum rebound from its collision with the block
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 40 km away.
At t = 5.0 seconds, the cheetah is standing still, having knocked over the gazelle. Illustrate what is the average acceleration of the cheetah from t = 0 to t = 5.0 seconds?
A point charge q(1)= 85.9 micro C is held fixed at the origin. A second point charge, with mass m = 6.00×10?2kg and charge q(2)= -2.36 micro C , is placed at the location (0.323 m, 0).
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. determine the maximum inductance of the tank circuit
A typical American family uses 700 kWh of electricity a month. On average, what is the resistance of a household
Three resistors, with values of 3.0, 6.0 and 12.0 ?, respectively, What is the overall resistance of this combination
What was the bullet's speed as it left the barrel. A 1kg block rests against one end of a horizontal spring which is compressed by 10 $cm$.
What is the minimum rate of rotation, in revolutions per minute, required for the spheres to contact the cylinder wall?
Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, What percentage is the earth's speed around the sun
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