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One cubic centimeter of a cumulus contains 420 water drops,which have a typical radius of 10 μm.(a) How many cubic meters of water are in acylindrical cumulus cloud of height 3.1 km and radius 0.9 km?(b) How many 1-liter pop bottles would that waterfill? (c) Water has a density of 1000kg/m3. How much mass does the water in the cloudhave?
In one minute of rotation, through how various revolutions did fan turn?
Explain how Karl lifed th cement. How much time would it take for the police officer to catch the speeder, assuming that the speeder maintains a sonstant speed? How fast will the police officer be traveling at this time.
If you reach a magnitude m=20 at signal to noise of 10 in 5 seconds on a 2-m telescope, how long would it take to reach m=25 at signal to noise of 5 on an 8-m telescope at the same site
Approximately how many atoms make up our planet? For simplicity, suppose the average atomic mass of the atoms is 14 . Avogadro's number gives the number of atoms in a mole.
You decide to determine the depth of a tank of water using the sun's light. With the sun overhead, the tank's bottom is lit, Approximately how deep is the tanks
Two 7.0mm×7.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the charge before and after the Mylar is withdrawn
A person is pushing a wheelbarrow along a ramp that makes an angle ? = 25.0° with the horizontal. The wheelbarrow and load have a combined mass of 20.20 kg with the center of mass at the midpoint of the length L. What is the total force the person mu..
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree, as well as its height, but are unable to make the measurements directly. How tall is the tree
A high-pass RC filter is connected to an AC source with a peak voltage of 10.9 V. The peak capacitor voltage is 5.1 V. What is the resistor voltage
What is the acceleration of the crate.Describe a procedure to investigate the factors.
Astronauts on our moon must function with an acceleration due to gravity of 0.170g A. If an astronaut can throw a certain wrench 11.0{rm m} vertically upward on earth, how high could he throw it on our moon if he gives it the same starting speed i..
A lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is ..
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