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A 118.0-kg block is on a horizontal frictionless surface, on top of it is a second smaller block of 75.0-kg. A horizontal force F of 709.4 N is applied to the upper block which accelerates with 5.73 m/s2. Find the coefficient of kinetic friction between the two blocks.
Find the acceleration of the lower block while the two blocks are in contact.
Two alpha particles (helium nuclei), each consisting of two protons and two neutrons, What is the distance between these particles at this time
a soccer ball is kicked at an angle of 62 degrees to the horizontal with an initial speed of 18 ms. assume for the
Suggest a proper answer with proof for if frequency of incident radiation is doubled, what will be the effect on maximum kinetic energy of photo electrons
A rifle with a mass of 1.76 kg fires a bullet with a mass of 5 g (0.005 kg). The bullet moves with a muzzle velocity of 401 m/s after the rifle is fired. what is the recoil velocity of the rifle
while trying out for the position of pitcher on your high school baseball team you throw a fastball at 78.4 mih toward
a student calculates the unknown liquid to have a density of 0.87 gcm3. if the class average for the density of the
A baseball thrown at an angle of 55.0?^\circ above the horizontal strikes a building 16.0m, Find the direction of the velocity of the baseball just before it strikes the building
A thin film of acetone is floated on a thick glass plate .plane light waves of variable wavelengths are incident normal to the film.when one views the reflected wave it is noted that the complete destructive interference occurs at 600 nm and const..
A 2200 kg car is moving at a speed of 30.0 m/s. Determine the stopping distance (in meters) if the brakes supply a force of 3500 newtons
Resistors are assigned a power rating. If the power rating isexceeded significantly, the resistor will overheat and crack.Suppose you have a 9 k ,0.2 watt resistor. What is the maximum voltage it can safelyhandle?
the average person passes out at an acceleration of 7g that is seven times the gravitational acceleration on earth.
a ball is shot from the ground into the air. at a height of 9.1 m the velocity is observed to be v 6.8 i 6.9 j ms
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