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A heavy rainstorm dumps 1.0 cm of rain on a city 4 km wide and 10 km long in a 2-h period. (A) How many metric tons (1 metric ton = 103 kg) of water fell on the city? (1 cm3 of water has a mass of 1 gram = 10-3 kg.) Answer in tons and (B) How many gallons of water was this?
a pinball machine launches a 153 g ball with a spring-driven plunger. the game board is inclined at 9 degrees above the
The systolic pressure is 0.158 atm and the diadtolic pressure is 0.150 atm in the heart. If the volume pumped in one heartbeat is 75cm3 calculate the work done in a heartbeat. Assume a simple dependence of pressure in a ventricle.
A roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.64 m/s. Find the height of the table
A target glider, whose mass m2 is 370 g, is at rest on an air track, a distance d = 53 cm from the end of the track. How much more time elapses before the gliders collide again
The pressure on an ideal gas is cut in half, resulting in reduce in temperature to .635415 of the original value and a change in volume. Compute the ratio of the final volume to the initial volume of the gas.
The solar panels on the roof of a house measure 4.0 mby 5.3 m. Assume they convert12% of the incident EM wave's energy to electrical energy. What average power do the panels supply
The speed of light in a transparent medium (such as glass) is less than the speed of light in a vacuum. Is this a violation of the theory of relativity.
Two children use a homemadetelephone consisting of two paper cups connected by an aluminumwire which is 8.4 m long, find the time for the sound to travel from one cup to the other
A transparent oil with index of refraction 1.16 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
A flat sheet of crystalline quartz has a thickness of 3.5 cm. It is on top of a flat sheet of diamond that has a thickness of 2.0 cm. Light strikes the crystalline quartz vertically and travels through hit and then during the diamond.
In a nuclear power plant, the fuel rods last 3.00 year beforethey are replaced. what is the loss of mass of the fuel
A window washer pulls herself upward using a pulley apparatus. If she increases the force by 15 percent, compute what will her acceleration be
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