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Question: What is the pressure in atmospheres on the body of a diver if he is 34 ft below the surface of the water when atmospheric pressure at the surface is 0.95 atm?
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Question: A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center? The response must be typed, single spaced, must be in times ...
Question: The position of a particle moving along an x axis is given by x = 14.0t2 - 3.00t3, where x is in meters and t is in seconds. Determine (a) the position, (b) the velocity, and (c) the acceleration of the particl ...
Question: A nylon rope used by mountaineers elongates 1.30 m under the weight of a 65.0-kg climber. If the rope is 45.0 m in length and 7.0 mm in diameter, what is Young's modulus for this material? The response must be ...
Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 µC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the po ...
Describe the effect on speed, frequency, and wavelength of a sound traveling from warm to cold air. (hint:cold air is more dense than warm air).
Need help answering this question The ancient Egyptians used simple machines to build the pyramids. Discuss how you might use one or more of the simple machines to move the massive stone blocks up the growing pyramid, an ...
Question: A roller coaster car crosses the top of a circular loop-the-loop attwice the critical speed. What is the ratio of the normal force to the gravitational force? The response must be typed, single spaced, must be ...
Question: Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force neede ...
Question: A sensitive gravimeter at a mountain observatory finds that the free fall acceleration is 0.0075 m/s^2 less than that at sea level. What is the observatory's altitude? The response must be typed, single spaced, ...
Question: A particle initially located at the origin has an acceleration of a= 2.00j m/s2 and an initial velocity of Vi = 7.00i m/s. (a) Find the vector position of the particle at any time t (where t is measured in seco ...
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