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A 14 gram coin slides upward on a surface that is inclined at an angle of 18o above the horizontal. The coefficient of kinetic friction between the surface and the coin is 0.28; the coefficient of static friction is 0.34. Evaluate the magnitude of the force of friction after it comes to rest.
The puck in the figure below has a mass of 0.280 kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 75.0 cm/s. Determine the work done on the puck
A 13.6 kg object on a horizontal frictionless surface is attached to a spring with k = 519 N/m. find the initial potential energy of the block-spring system
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.01 × 105 kg
When light of wavelength 360 nm falls on a lithium surface, electrons having a maximum kinetic energy of 1.15 eV are emitted. determine the work function of lithium
A 0.175 kg baseball is thrown upward with an initial speed of 12.0 m/s. What is the force on the ball when it reaches its peak
Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. What is the terminal speed for this object in this liquid
A 3.5 m string is stretched between a pulley and a wave generator consisting of a plate oscillating up and down with small amplitude and frequency 150 Hz. What is the linear mass density of the string
An electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot.
two loudspeakers are separated by 1.00 meters and are excited in phase by a 1200 hz sine wave. at what points on a line
A rod of length L and mass M is balanced in a vertical position at rest. The rod tips over and rotates to the ground with its bottom attachment to the ground never slipping. find the velocity of the tip just before it hits
Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen
A baseball player runs 27.4meters from batter's box to first base,overruns first base by 3.0 meters,and then returns to first base. Compared to the total distance traveled by the player,magnitude of the players total displacement from the batters ..
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