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You push your physics book 1.70 malong a horizontal table top with a horizontal force of2.20 N. The opposing force of frictionis 0.597 N.
(a) How much work does your 2.20 N force do on the book?
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(b) What is the work done on the book by the friction force?
(c) What is the total work done on the book?
Two converging lenses (f1 = 9.00 cm and f2 = 6.00 cm) are separated by 18.0 cm. The lens on the left has the longer focal length. find is the final image upright or inverted
A golf ball is struck at ground level. The speed of the golf ball as a function of the time is shown in the figure, where t = 0 at the instant the ball is struck. What is the maximum height above ground level attained by the ball
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
From colonial times through the 1960s, the primary mode of mental illness treatment was institutional. What factors were responsible for this shift
During the pitching motion, a baseball pitcher exerted an average horizontal force of 60 N against the 0.15 kg baseball while moving it through a horizontal displacement of 2.0 m before he released it
1. all objects radiate energy in much the same way as an ideal blackbody. so why is it difficult to see objects in a
A 53.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 130 kg football players at a height of 1.30m. what is the diameter of the football players' piston
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the electric potential at a position located a distance of 18.9 mm from a positive point charge of 6.80x10-9c and 13.3
A clothes dryer is spinning at 75 rpm. A student opens its door and it comes to rest after rotating through four revolutions. What was the magnitude of the dryer's angular acceleration
Relative to a stationary observer, a moving object
Ultraviolet light with a wavelength of 35nm shines on a gas of hydrogen atoms in their ground states. Some of the atoms are ionised by the light. What is the kinetic energy of the freed electrons in this process
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