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An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a second lens of focal length 25 cm. How far past the 25 cm lens does the final image form?
a. 20 cmb. 40 cmc. 16 cmd. 25 cme. 47 cm
A 2 kilogram wood block is launched up a wooden ramp that is inclined at a 30 degree angle. Find what vertical height does the block reach above its starting point
A 82 kg ice hockey player standing on a frictionless sheet ofice throws a bowling ball horizontally with a speed of 2.3m/s. With what speed does the hockey player recoil
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
A roller coaster cart with a mass of 116 kg is originally moving at 22 m/s at a height of 24 meters above the ground on a frictionless hill , What is the length of the horizontal surface
A car is designed to get its energy from a rotating flywheel with a radius of 2.25 m and a mass of 525 kg. What is the kinetic energy stored in the flywheel
The magnetic field perpendicular to a circular coil of 5 turnsand diameter 20 cm changes from +1.85 T to -0.25 T in 30 ms. Find the change in magnetic flux and induced emf
An airplane takes off and flies 240km on a course of 35 degrees north of west, find the displacement from its starting point to its landing point
A projectile is fired vertically from Earth's surface with aninitial speed of 10 km/s. Neglecting air drag, how far above the surface of Earth will it go
A bug crawls outward from the center of a compact disc spinning at 190 revolutions per minute. How far does the bug get from the center before slipping
A charge q=-1.0 nC is instantaneously at a place where the electric field is 45 kN/C due east. hat are the magnitude and direction of the electron force on this charge
Calculate the magnitude and show the direction of the net magnetic force exerted on the rectangular loop shown in the picture. Explain your reasoning.
The hot reservoir of a heat engine is steam at 100?C while the cold reservoir is ice at 0?C. In 1.2hrof operation, 11kg of steam condenses, What is the power output of the heat engine
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