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An iron bolt of mass 70.0 g hangs from a string 35.2 cm long. The top end of the string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, displaced horizontally 20.0 cm to the right from the previously vertical line of the string.
(a) Find the tension in the string.
(b) Find the magnetic force on the bolt.
There are two identical, positively charged conducting spheres fixed in space. The spheres are 36.2 cm apart, find the initial charge on each sphere
A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.
imagine 1.0 stock tank barrel oil and 1000 scf gas that have been produced were somehow put back to reservoir at certain condition of pressure, what is the oil formation and solution gas oil ratio
If the LED emits light from a circle with diameter 10mm and is to couple to the fiber which has a50 micro meter diameter core .assume it radiates with afull cone angle 30 degree.
block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.2 m and then collides with stationary block 2, What is the value of distance d if the collision is elastic
An aluminum wire having a cross-sectional area of 4.00 3 1026 m2 carries a current of 5.00 A. Find the drift speed of the electrons in the wire
The dry weight of a man is 845 N. When he is submerged underwater, What is the volume of the man
At the equator, the earth's field is essentially horizontal; near the north pole, it is nearly vertical. What current should you pass through the coil, to produce a net field in the center of the tank that has a dip angle of 62
A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.
A 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope
A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 4.70 108 V, when the electron moves from the ground to the cloud
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