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A hanging block A ( Ma = 15 kg) is connected by a light cable and a pulley wheel to a second block B ( Mb = 10 kg) situated at the bottom of a frictionless inclined plane with angle %u03B8 = 30o to the horizontal. If the hanging block is released from rest 5.0 m above the ground, find
a) the speed of the masses just before Ma touches the ground
b) the maximum distance that block Mb travels up along the inclined plane.
A horizontal beam of vertically polarized light of intensity 43 W/m2 is sent through two polarizing sheets. What is the intensity of the light transmitted by the pair of sheets
A bar of length .15 m, width .05 m and negligible height is spinning about its center of mass at 2 radians per second. what is their final angular velocity
A football of mass0.420 kg is thrown 60 m by a quarterback who imparts to it an initial velocity at an angle of 45 degrees above the horizontal. what force does his hand exert on the ball
The work function for Tin is 4.42 eV. Ultraviolet light with \lambda =50 nm is shone upon a Tin electrode
When a beam of white light is incident (vertically) on a thin oil slick (n = 1.25) floating on water, What is the thickness of the oil slick
Two astronauts are, 3.18 m apart in their spaceship, speaking to each other. How far away from the Earth is the spaceship?
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
A therapist examines the range of motion of an athlete's knee joint. What was the angular displacement of the lower leg from full extension to full flexion
A 83-kg skater sliding due southeast at an initial speed of 2.0 m/s runs into a snow bank, What is change in the kinetic energy of the skater
A fully suited 100 kg astronaut stands on a spherical asteroid of diameter 1.0 km and mass 2.5 x 1012 kg. With what speed must she jump to escape the asteroid
Consider an airplane of wing area 6.8 m^2 (both wings combined) flying through air of density 1.13 kg/m^3. What is the net upward lift force on the plane
The escape velocity of a bullet from the surface of planet Y is 1951 m/s. Calculate the escape velocity from the surface of planet X
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