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two identical blocks are stacked one on top of the other. the bottom block is free to slide across a frictionless surface. The coefficient of static friction between the two blocks is 0.35. What is the maximum horizontal force that can be applied to the lower block without the upper block slipping?
A 17.00 kg block is pushed up a frictionless inclined plane that makes an angle of ? = 33 o with the horizontal direction. What force is needed to move the block with constant speed
A jet plane lands with a velocity of +103 m/s and can accelerate at a maximum rate of -5.00 m/s2 as it comes to rest. find the minimum time needed before it can come to rest
A head-on, elastic collision between two particles with equal initial speed vleaves the more massive particle (massm1) at rest. Find the final speed of the less massive particle
A boy ties a small stone to one end of a string and holding the other end, he whirls the stone above his head in a horizontal circle. If the stone has a mass of 0.5 kg, find the centripetal force on the stone
What will the maximum kinetic energy of the photoelectrons ejected from magnesium (for which work function (line through 0) 0=3.7 eV) when irradiated by ultraviolet light of frequency 1.5 X 10^15 sec^-1
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. It takes 6 minutes and 53 seconds for a person with a mass of 70.8 kg to walk all the way up.
A person with perfect pitch sits on the bus bench listening to the 442 Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving.
What is the maximum angle of incidence for a light ray within the water to strike the glass wall and still emerge to the outside air
An engine compresses air down 1/16 its initial volume. The initial pressure is 7.7 X10^6 pa. Find the temperature after compression
An 845-N sled is pulled a distance of 173 m. The task requires 1.20 x 10^4 J of work and is done by pulling on a rope with the force of 142 N. At what angle is the rope held.
A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..
A chunk of 22 gram ice is pulled from a freezer keeping temperature -25 deg. Celsius, and placed in an identical calorimeter as the one described in problem 1. What is the experimental latent heat of fusion of ice
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