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Four 1.2 kg masses are located at thec orners of a square 0.80 m on eachside. Find the magnitude and direction of the gravitational forceon a fifth 1.2 kg mass placed at the midpoint of the bottom side of the square.
a mass attached to a spring oscillates horizontally on a frictionless table with a position given byx 5.6 cm cos
a charge q is fixed in place. a charge -q is released from rest a distance d from q. determine the velocity of -q as a
An archer's bow is drawn at its midpoint until the tension in the string is 0.835 times the force exerted by the archer. What is the angle between the two halves of the string
Describe the interference of two wave pulses with different amplitudes if they are a) in phase and b) completely out of phase
In an experiment on standing waves, a mechanical vibrator drives a string. Both ends of the string are fixed. The distance between the fixed ends is 80.0 cm. how much mass is hanging over the pulley
a baseball player hits a line drive. just before the ball is struck it is moving east at a speed of 39.6 ms 89 mih.
A top fuel drag racer with a mass of 600.0kg completes a quarter-mile (402 m) drag race in a time of4.2 s starting from rest. The car's finalspeed is 116 m/s. What is the engine'saverage power output in kW? Neglect friction and airresistance.
The spring of the pressure gauge shown in the figure below has a force constant of 1471 N/m, what change in depth causes the piston to move in by 0.750 cm
A long string is moved up and down with simple harmonic motion with a frequency of 46 Hz. The string is 579 m long and has a total mass of 46.3 kg. Determine the velocity of the wave on the string
20 g of helium are placed in a cylinder with a movable piston. What is the maximum temperature reached during the compression
A 0.0280 kg bullet moving horizontally at 500 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision
At a distance of 60.0km from a radio station antenna the electric-field amplitude is 8.80×10?2 V/m, what is the total power output of the station
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