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A proton moves in a circular orbit 250mm in radius that is perpendicular to a uniform 0.37-T magnetic field.
1. Decide the proton's speed.
2. Decide the proton's kinetic energy.
3. Decide the proton's angular frequency.
4. Decide the proton's period of motion.
One of the most powerful cranes in the world operates in Switzerland. It can slowly raise a load of M = 5639.0 tonnes to a height of h = 14.0 m (1 tonne = 1000 kg). How much work is done by the crane
Estimate the position of C.G or fulcrum & the masses of persons on a 16 feett sea saw, under balanced condition.
In the Bible, Noah is instructed to build an ark 300 cubitslong, 50.0 cubits wide, and 30.0 cubits high . Historical recordsindicate a cubit is equal to half a yard.
Two thin lenses with a focal length of magnitude 19.5cm , the first diverging and the second converging, are located 14.6cm apart. How far from this first lens is the final image formed
Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rad). Show your work.
A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.
A carnot engine operates between a hot reservoir at 310 K and a cold reservoir at 280 K. If it absorbs 500 J of heat at the hot reservoir, how much work (in joules) does it deliver?
A 75kg skier rides a 2830m long lift to the top of amountain. The lift makes an angle of 14.6 degrees with thehorizontal. What is the change in the skiers gravitational potential energy
A car has 53% of its weight on its front wheels and 47% on its rear wheels, How far from the rear axle is the car's center of gravity
A uniform helicopter rotor blade is 7.40 meter long and has a mass of 110 kilogram, and is attached to the rotor axle by a single bolt. Find the magnitude of the force on the bolt from the axle when the rotor is turning at 320rev/min
the starter motor of a car engine draws a current of 170a from the battery. the copper wire to the motor is 4.0mm in
A rifle is aimed horizontally at a target 1,699.92 m away. The bullet hits the target 2.18 inch below the aim point. determine the bullets time of flight
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