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The escape velocity of a bullet from the surface of planet Y is 1759.0 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.47 times that of Y, and its radius is 0.895 times the radius of Y.
Young's double-slit experiment is performed with 587-nm light and a distance of 2.00 m between the slits, Determine the spacing of the slits
A 3.5-cm tall object is viewed through a converging lens. When the lens moves from one place to another, the orientation of the image changes from upright to inverted. How far from the object does the lens stop
The sound level measured in a room by a person watching a movie on a home theater system varies from 60 dB, Approximately how many times louder is the latter sound?
The plane of a 5.10cm by 9.00cm rectangular loop of wire is parallel to a 0.220T magnetic field, What is the magnetic moment of the loop
Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. Determine the wavelength of the second source
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block and the desk is 0.41. Find out the minimum horizontal force required to move the block if the following occurs.
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground when he slows down.
A 66-kg skier starts from rest at the top of a 1200-m-long trail which drops a total of 260m from top to bottom. How much energy is dissipated by friction
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
A bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
Calculate the net work done by the force of friction. A 1.50 m-long, 530 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.90 {rm m}/{rm s}^{2}. How much force pulls forward on (a) ice (b) rop..
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