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A cube 21cm on each side contains 3.5g of helium at 20 \; ^\circ \rm C. 1400J of heat energy are transferred to this gas.
Part A What is the final pressure if the process is at constant volume?
Part B What is the final volume if the process is at constant pressure?
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
An LC circuit with a 4.90 pF capacitor oscillates in such a manner as to radiate at a wavelength of 3.50 m. What inductance is in series with the capacitor
An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0o with the horizontal. How fast is she going just before she lands
A standing wave on a 1.70 m long horizontal string displays three loops when the string vibrates at 125 Hz. What is the function describing the standing wave
The maximum speed of a 2.6-kg mass attached to a spring is 0.74 m/s, and the maximum force exerted on the mass is 11 N. What is the force constant of the spring
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.65 cm. The hose ends with a nozzle of diameter 2.50 cm. A rubber stopper is inserted into the nozzl..
A tow truck pulls a car 5.00 \rm km along a horizontal roadway using a cable having a tension of 850 \rm N. How much work does the cable do on the car if it pulls horizontally
Assuming that the ram spring is oriented vertically and is still compressed by 1.17 10-2 m when the downward-moving ram hits the staple, find the speed of the ram at the instant of contact
50-turn coil of wire of dimensions 9 cm by 5 cm. It carries a current of 0.090 A and is hinged along one long side. What is the torque acting on the coil about the hinge line
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
The earth is 1.49*10^11 meters from the sun. If the solar radiation at the top of the earths atmosphere is 1340 W/m^2, what is the total power output of the sun
A stone weighing 8.0 kg is pressed against a vertical spring with force constant 7.80 N/cm. What is the maximum height the stone reaches from its release point
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