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A 5.0kg block is put on top of a 6.5kg block. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 21.6 N must be applied to the top block. The assembly of blocks is now placed on a horizontal, frictionless table as in the figure.
Find the magnitude of the maximum horizontal force F that can be applied to the lower block so that the blocks will move together.
Find the resulting acceleration of the blocks.
A 0.11-kg rubber ball is dropped onto a table. The speed of the ball right before it hits the table is 5.9 m/s. what is the magnitude of the average force exerted on the ball by the table
A cup of newly brewed 330 g cofee is to hot to drink when served at 88 degree celcisus. What is the mass of the ice cube needed in order to cool the coffee to a pleasant 50 degree celsisus
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
What must be the magnifying power of the eyepiece if the total magnification of the specimen is 100X
A microscope is used to examine a sample of bacteria that are spread on glass. determine the shortest distance between two bacteria
A certain light source is found to emit radiation whose peak value has a frequency of 1.83E+15 Hz. Calculate the temperature of the source
Find out the gravitational potential energy
Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 9.50 rad/s. how far would you have gone if the bike could move
Two satellites, A and B, are in different circular orbits about the earth. Find the ratio (TA/TB) of the periods of the satellites
At this point you are getting very tired and would like to get back as quickly as possible, but all of the available trails seem to lead you deeper into the woods. You would like to take a shortcut directly through the woods (ignoring the trails)...
A clothes dryer runs on 4400 W. If the dryer draws 20 A of current, what is the resistance of the dryer
Time standards are now based on atomic clocks. A promising second standard is based on pulsars, what is the associated uncertainty
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