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An iron bolt of mass 80.0 gram hangs from a string 35.5 centimeter long. The top end of the string is fixed. Without touching it, a magnet attracts the bolt thus that it remains stationary, displaced horizontally 28.0 centimeter to the right from the previously vertical line of the string.
(a) Evaluate what is the tension in the string.
(b) Evaluate what is the magnetic force on the bolt.
what are the magnitude and direction of its acceleration. A potential difference of 80 mV exists between the inner and outer surfaces of the cell membrane. The inner surface is negative relative to the outer surface. How much work is required to ej..
A current of 74.8 mA exists in a metal wire, In what direction do the electrons travel with respect to the current
what is length of the stick as measured from S?
A skier of mass 65.0 kg is racing down a giant slolam course. She starts at the top of the top of the course at rest. Over the course of her run, Calculate the force of kinetic friction over her run
As a civil engineering intern during one of your summers in college, you are asked to design a curved section of roadway that meets the following conditions: at what angle should the road be banked
An electric current of 200 mA is maintained for 3 sec in a 20-ohm resistor. The temperature of the resistor remains constant at 25 C. What is the change in the entropy of the resistor?
a sound has an intensity of 38.0 wm2. a second sound has an intensity level which is 2.5 db greater than the intensiry
A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 10-m-long cable. How much time do you have to move out of the way
A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 18.0 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the gree..
In 1971, Apollo 14 astronaut Alan Shepard hit two golf balls while on the Moon. The first one rolled 40 yards into a nearby crater, Is the second ball still on the moon
A screen is placed 1.0 meter away from the slits. Initially, you measure the interference pattern from the 2 slits on the screen. You then place the guanine film directly behind one of the slits, Determine the thickness of the guanine film
q. a transverse electromagnetic plane wave with a frequency of 2.84 mhz travels directly away from you - z direction.
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