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The focal length of a thin lens is -24.1 cm. A screen is placed 160 cm from the lens. What is the y-coordinate of the point where the light ray shown hits the screen? The incident ray is parallel to the central axis and is h = 0.80 cm from that axis.
A thin stick of mass 400 grams is 2 meters long, and is free to pivot about a point at one end. find the velocity and accelertion of the tip
A rigid iron cylinder contains propane gas. The cylinder and thegas are in thermal equilibrium. how many moles of propane are there in the cylinder
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 71.5 dB. What total sound intensity engulfs you
A falling skydiver has a mass of 109 kg. What is the magnitude of the skydiver's acceleration
An automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s. Calculate: Its angular acceleration, assume. the total number of revolutions the engine makes in this time
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
A bucket filled with water exerting a force of 529N is hanging from a rope that is wound around a 0.05 m radius stationary cylinder. If cylinder does not rotate and the bucket hangs straight down, what is the magnitude of torque the bucket produce..
What is the final temperature of the heating element
A ball is moving at 4m/s and has a momentum of 48 kgm/s. What is the ball's mass
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
solid disk of radius 4.05 cm and angular velocity of 81.32 rad/s about an axis through its center perpendicular to its plane. How far (in cm) will the disk travel until it stops skidding
A ball of mass 5.0 kg is lifted off the floor a distance of 1.7 m. What is the velocity of ball just before it hits the floor
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