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Question: The mass m =2.99 kg is sliding on the frictionless incline of angle42.7 degrees as shown. A force F = 3.24 N is applied horizontally as shown. Compute the normal force FN (in Newtons) that acts on the mass due to the incline. Use g = 9.8 m/s2 and express your result to three significant digits.
An green hoop with mass mh = 2.8 kg and radius Rh = 0.17 m hangs from a string that goes over a blue solid disk pulley with mass md = 2 kg and radius Rd = 0.09 m.
Explain how fast must the candy bar travel to have the same 106 joules in the form of kinetic energy?
A man pushes a lawn mower on a level lawn by a force of 215 N. If 31% of this force is directed downward, and 50 W of power is expanded in pushing the mower 5.8 m, how much time is spent in pushing the mower this distance?-------s
A hockey puck impacts a goalie's plastic mask horizontally at 118 mph and rebounds horizontally off the mask at 50mph. with what speed will the goalie move
A long solenoid has 108 turns/cm and carries current. An electron moves within the solenoid in a circle of radius 2.03 cm perpendicular to the solenoid axis. The speed of the electron is 0.0359c (c = speed of light). Discover current i. Give the answ..
A 2.5 m-long pendulum is released from rest when the support string is at an angle of 20° with the vertical. What is the speed of the bob at the bottom of the swing?
A 5.50 grams coin is placed 14 centimeter from the center of a turntable. Find the maximum angular velocity with which the turntable can spin without the coin sliding
Determine the Brinell hardiness number for the metal. If the specimen is steel, estimate the tensile strength of the steel.
How much power is required to drive a Carnot refrigeration unit used to remove 15.0 kW of heat from a commercial food storage unit maintained at 3.00°C when the outside temperature is 35.0°C?
a car moving with constant acceleration covered the distance between two points 60 m apart in 6 s. its speed as it
Find what must be the resolving power of a grating allowing a spectral line at 601.10 nm to be distinguished from another line differing by 0.38 nm
A parallel-plate capacitor is connected to a battery and stores 4.7nC of charge. Then, while the battery remains connected, a sheet of Teflon is inserted among the plates. By how much does the charge change?
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