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A 2.0kg block is projected down a plane that builds an angle of 20 degree with the horizontal with an initial kinetic energy of 2.0J.If the coefficient of kinetic friction among the block and plane is 0.40, how far (in meter) will the block slide down the plane before coming to rest?
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
A laser beam of unknown wavelength passes through a diffraction grating having 5460lines/cmafter striking it perpendicularly. At what angle will the next pair of bright spots occur
A mixture of ozone and oxygen contaning 20% by volume of ozonediffused through a porous plug in 172seconds, Calculate the molecular weight of ozone
A rope can withstand 1.0 x 10^3 N of tension. If the rope is being used to pull a 10.0-kg package across a c=frictionless surface, what is the greatest acceleration that will not break the rope
A ball is thrown upward at 20 m/s from the top of a building, which is 100 meter high. Another ball is thrown downward from the top of the building at 15 m/s. What is their final speed when they hit the ground
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s collides head-on and elastically with another ball initially at rest. estimate the velocity of the target ball after the collision
Consider a tennis ball that is hit by a player at the baseline with a horizontal velocity of 50 m/s (about 110 mi/h). What is the ball's angular velocity
q1. a person eats a dessert that contains 26o calories. this skin temperature of this individual is 38 degrees celsius
A block is projected up an inclined, frictionless plane withan intial speed v0. With that intialvlocity, the block travels a distance D and momentarily comesto halt before sliding down the inclined plane.
Determine the magnetic flux through a circular loop 4.0 centimeter in diameter oriented with the loop normal at 27 degree to a uniform 80 mT magnetic field
What is the rate of heat flow into a system whose internal energy is increasing at the rate of 45 W, given that the system is doing work at the rate of 165 W
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
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