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The graph in the figure shows a pV diagram for 3.30 moles of ideal helium (He) gas. Part ca of this process is isothermal.
How much heat entered or left the He during segments ab, bc, and ca?
By how much did the internal energy of the He change from a to b, from b to c, and from c to a?
A softball of mass 0.220 kilogram that is moving with a speed of 4.0 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Estimate the mass of the target ball
Determine the change in gravitational potential energy of a 70-kg skier-Earth system when the skier goes down this slope.
A ball rolls across a floor with an acceleration of 0.100 m/s2 in a direction opposite to its velocity. What was the initial speed of the ball
A box is suspended by a steel wire via a frictionless pulley The wire has a mass pr length of µ = 24.5 × 10 - 3 kg/m.
the 100- dash can be run by the best sprinters in 10.0. a 62- sprinter accelerates uniformly for the first 43 to reach
At what speed does a clock move by respect to an observer that measures it to run at one-third the rate of an identical clock at rest by respect to the observer?
A 9.40kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 69.5kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
two gas cylinders are identical. one contains the monatomic gas neon ne and the other contains an equal mass of the
three charges are at seperate corners of a square of edge length of 5cm. the two charges at opposite corners are
A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.
7.4mol of helium are in a 15L cylinder. The pressure gauge on the cylinder reads 68psi. What is the average kinetic energy of a helium atom
A farsighted person has a near point that is 48.0 cm from her eyes. Find the focal length of the eyeglasses
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