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An iron bolt of mass 75.0 g hangs from a string 32.4 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 29.0 cm to the right from the previously vertical line of the string.
Find the tension in the string.
Find the magnetic force on the bolt.
A falling skydiver of mass 86.0 kg accelerates downward at 6.7 m/s2. What is the upward force due to air resistance
The system is balanced by a support that is 0.300m from the left end of the plank. How far to the right of the support is the plank's center of gravity.
A train moving with constant velocity travels 180 meters north in 14 seconds and an undetermined distance to the west. compute the direction of the train's motion relative to north
High-speed stroboscopic photographs show that the head of a 170-g golf club is traveling at 47 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
This procedure has actually been used to "weigh" astronauts in space. A 42.5- chair is attached to a spring and allowed to oscillate. What is the mass of the person
Use the strength of the magnetic field at the Earth's surface (4 x 10-5 T) to estimate the strength in the Van Allen belts
a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. what is the angle theta
Shantel was the sole owner of the residence until it was sold. Explain how much of the gain may Shantel and Daron exclude?
X-rays having an energy of 350 keV undergo Compton scattering from a target. The scattered rays are detected at 37.0° relative to the incident rays. Find the energy of the recoiling electron
consider a system of particles in three dimensions with momentum p and energy E=cIpI,c being the constant.the system is maintained at the inverse temperature 'bita' , volume 'V' and chemical potential 'mu'.
The total mass of the decay products is less than the mass of the original 294Uus atom and what accounts for this missing mass
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
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