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A short bar magnet placed with its axis at 60 degrees with a uniform external magnetic field of 1.0T experiences a torque of magnitude 5x102 J. What is the magnitude of magnetic moment of the magnet?
Three insulating balls are suspended from thin threads. Various objects are then rubbed against other objects and each of the insulating balls is charged by touching them with one of these objects. In each case.
a childs toy consists of a m 32 g monkey suspended from a spring of negligible mass and spring constant k. when the
A race car has a mass of 702kg. It starts from rest and travels 42 m in 3 s. The car is uniformly accelerated during the entire time. What net force is exerted on it.
A moving particle encounters an external electric field that decreases its kinetic energy from 9520 eV to 7060 eV as the particle moves from position A to position B. the electric potential at A is -55.0V and the electric potential at B is +27.0V.
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 7.20 m/s?
A solution has a hydronium-ion concentration of 1.0 x 10-5 mol per liter. What is the hydroxide-ion concentration of this solution
A child whose weight is 262 N slides down a 4.80 m playground slide that makes an angle of 49° with the horizontal. The coefficient of kinetic friction between slide and child is 0.09.
Horn frequency is 200 Hz, velocity of truck is 20m/s, observer bike's velocity is 10m/s and air temperature is 77 degrees Farenheit. find the frequency at the observer's location
A 3500 resistor and a 1.1 µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power dissipated in the circuit
An astronaut orbiting the Earth is preparing to dock with a Westar VI satellite, Determine the speed of the satellite
Balance the meter stick at its center of gravity and hung an unknown mass (e.g. your keys) at the 90 cm mark. Place the 200-g mass on the meter stick at a location until equilibrium is reached. Record this position. what is the advantage of having th..
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