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A geologist searching for oil finds that the gravity at acertain location is 4 parts in107 smaller than average. Assume that the locationcontains oil and the oil is located 3000 m below the Earth's crust. Estimate the sizeof the deposit. Take the density (mass per unit volume) of rock tobe 3000 kg/m3 and that of oil to be 1000kg/m3.
The model rocket is fired vertically from rest. It has a net acceleration of 17.5m/s2. After 1.5s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
Two converging lenses are placed 88.0 cm apart. An object is placed 1.100 m to the left of the first lens, which has a focal length of 27.0 cm. What is the focal length of the second lens
A thin square metal plate is 1.00 m on a side is located in the xz-plane. A charge of 400 nC is placed on the plate and can be taken to be distributed uniformly.
Two metal balls are hung from strings. The first ball, 0.14 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1 m/s. What is the mass of the second ball
A rubber rod is rubbed with fur. The fur is then quickly brought near the bulb of an uncharged electroscope. find the sign of the charge on the leaves of the electroscope
Transverse waves travel at 23.3 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 33.3 m/s in the string
A bizarre baton is created by taking four identical balls, each with mass 0.252 kg, and fixing them as before except that one of the rods has a length of 1.06 m, Calculate the moment of inertia of this baton
A 9.8 V battery is connected to a bulb whose resistance is 1.4 . How many electrons leave the battery per minute
A block is being pulled by a rope with a force of 24 N. The rope has an angle of theta=20 degrees from the horizontal. The block moves a distance of 11 m. Elucidate what is the work done?
What is the final velocity of a hoop that rolls without slipping down a 6.50 m high hill, starting from rest
A 6650kg iceberg with density 931 {\rm kg/m}^3 is afloat in seawater with density 1030 {\rm kg/m}^3. Find the volume of water displaced by the iceberg
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