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The rms speed of the molecules in 1.1 of hydrogen gas is 1700 .500J of work are done to compress the gas while, in the same process, 1800 of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules?
Compressed air in a car lift applies a force to a piston with radius 5.00 cm. What pressure produces the lift
q1. determine the tension in each cable if boat has a mass of 490 kg and the angle of each cable is 50 degrees from the
An LC circuit has a 25mH inductor and a 12uF capacitor. The current is at its maximum value of 0.7A at t=0. How long does it take for the capacitor to be fully charged
An isolated hollow spherical conducting shell has a charge of 10^-6 C. In some manner, a point charge of 3*10^-6 C is placed inside the cavity of the shell,find the charge on the inner surface of the shell
a 30 kg child stands on the edge of a stationary merry-go-round of radius 2.0 m. What is the angular speed of the merry-go-round just after the ball is caught
During liftoff, a hot-air balloon accelerates upward at a rate of 3.4 . The balloonist drops an object over the side of the gondola when the speed is 17, How long does it take to hit the ground
A circuit consists of a 12.0- battery connected to three resistors (40 , 16 and 120 ) in series. Find the current that flows through the battery
A sprinter of mass 72.8 kg runs at a constant speed of 10.8 m/s in a straight line. Find the extra force the sprinter must exert on the ground to round a curve of radius 10.4 m
Light of wavelength 500 nm is incident normally on a diffraction grating. What is the number of rulings per centimeter for the grating
Earth is farthest from the Sun in July and closest to Sun in January. During which Northern Hemisphere season is Earth moving fastest in its orbit.
A 9820 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 20 mph, 29 degrees East of North. What is the net force (Fnet) acting on the boat
a)What is its velocity b)The charged ion then enters a magnetic field, B = 0.20 T, perpendicular to the field. What is the radius of the particle's circular orbit in the field
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