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A ball of mass 0.40 kg has a kinetic energy of 28.8 J. What is the magnitude of the linear momentum of the ball?
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
A car tire is pressurized in the morning at a temperature of 200C to 2atm. By afternoon at a temperature of 350C the tire pressure has changed to 2.1atm but the volume has decreased by 2%.
A ray of light passes from air through dense flint glass and then back into air. How far is the ray displaced as a result of traveling through the glass
A coil of wire is connected to an ideal 12.0-V battery at t = 0. At t = 14.2 ms, the current in the coil is 210 mA. calculate the inductance of the coil
A monatomic ideal gas at high temperature T in a discharge tube has a triply degenerate excited state at an energy e above the ground state, Find the ratio population of the excited state to that of the ground state
question1a woman is reported to have fallen 178 ft from a building landing on a metal ventilator box that she crushed
A tennis ball of mass = 0.068kg and speed = 21m/s strikes a wall at a 45 degree angle and rebounds with the same speed at 45 degrees. What is the magnitude of the impulse given to the ball
Two sinusoidal waves, identical except for phase, travel in the same direction along a string, what is the resultant amplitude of the two waves
A 25 g glass tumbler contains 410 mL of water at 24 °C. If two 20 g ice cubes each at a temperature of -3 °C are dropped into the tumbler
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform when it is brought up to a rotational speed of 45.0 rev/min , provided the button is a distance no more than 0.141m from the axis. a)What is..
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.6 m/s encounters a rough patch that reduces her speed by 48 % to a friction force that is 20 % of her weight
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