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Two identical cylindrical vessels with their bases at the similar level each contain a liquid of density 0.991 g/cm3. The area of each base is 3.44 cm2, but in one vessel the liquid height is 17.6 cm and in the other it is 24.3 cm. Compute the work done by the gravitational force in equalizing the levels when the 2 vessels are connected.
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is ? = 1.81 10-7 C/m2, and the plates are separated by a distance of 1.38 10-2 m. How fast is the electron moving just be..
The space shuttle is in a 400km -high circular orbit. It needs to reach a 580km -high circular orbit to catch the Hubble Space Telescope for repairs. How much energy is required to boost it to the new orbit
A charge of 2.19 µC is held fixed at the origin. A second charge of 2.19 µC is released from rest at the position (1.15 m, 0.470 m) . If the mass of the second charge is 2.10 g, what is its speed when it moves infinitely far from the origin?
A nearsighted sheriff fires at a cattle rustler with his trusty six-shooter. Fortunately for the rustler, the bullet misses him and penetrates the town water tank, causing a leak. how far above the hole is the water level
Find out the angular velocity
to measure the acceleration due to gravity on a distant planet an astronaut hangs a 0.102-kg ball from the end of a
A solid disk of radius R and mass 2.66 kg is spinning atangular velocity 64.7 rpm about a vertical axis. What is the mass of the second disk
A 1300-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 530 N. A force Farrowbold is applied to the car by the road and propels the car forward.
Children sled down a 44m -long hill inclined at 23 degrees. At the bottom, the slope levels out. how far do the children slide on the level ground
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. How many revolutions per minute is the sample making
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
assume you have a perfectly isolated closed system under reversible and isothermal conditions where pv 0.8
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