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In order to pull out the nail at B, the force F exerted on the handle of the hammer must produce a clockwise moment of 500 lb is ?^? in. about point A. Determine the required magnitude of force F.
A transformer has 120 volts and 100 turns in the primary. The secondary has 500 turns and 600 volts. If the resistance of the secondary side is 150 ohms, find the secondary current
Loretta travels by car from one city to another with different constant speeds between pairs of cities. Find the distance between two cities
a grade 30 cast iron pressure vessel has a sealed head diameter of 20 inches. it uses ten 1 14 unf steel studs that are
You do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal, What is the value of g
A thin, cylindrical rod L = 20.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 6.00 cm and mass M = 2.00 kg attached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure be..
Wrongly called for a foul, an angry basketball player throws the ball straight down to the floor. If the ball bounces straight up and returns to the floor 2.2 s after first striking it, what was the ball's greatest height above the floor?
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 10-27 kg, Estimate the density of the nucleus of an atom
A particle has a charge of +1.5µC and moves from point C to point D, a distance of 0.19 meter. Determine the direction and magnitude of the electric force that acts on the particle
q1. an infinite non conducting sheet has a surface charge density sigma 5.80 pcm2. a how much work is completed by
An astronaut on a space walk discovers that his jet pack no longer works, leaving him stranded 40 meter from the spaceship. describe how the astronaut can still use it to return to the ship
The force on a particle is directed along an x axis and given by F = 0.97(x/4.6 - 0.52) where x is in meters and F is in Newtons. Find out the work done by the force in moving the particle from x = 0 to x = 8.9 m.
a 140 pf capacitor and a 560 pf capacitor are both charged to 2 kv. they are then disconnected from the voltage source
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