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A solenoid has a coil density of 626turns/cm. The magnetic field strength near the middle is 1249mT. What is the magnitude of the current in the solenoid?
a train pulls away from a station with a constant acceleration of 0.43 ms2. a passenger arrives at a point on the
Cut a 1 cm cube in dimension along the X, Y, and Z axis 10 times and calculate the volume and surface area at each cut.
A 280 block on a 58 long string swings in a circle on a horizontal, frictionless table at 90.0 . What is the speed of the block.
A 150.00 kg rocket moving radially outward from Earth has a speed of 3.70 km/s when its engine shuts off 200 km above earths surface. (a) assuming negligible air drag, find the rockets kinetic energy when the rocket is 1000 km above Earths surface..
A golf ball is shot from a tee, elevated 20.0 m above the green, what will be the speed of the golf ball just before it hits the green, 20.0 m below where it started
During an earthquake, the floor of an apartment building is measured to oscillate in approximately simple harmonic motion with a period of 1.60 seconds and an amplitude of 9.00cm, Determine the maximum speed of the floor during this motion
A skier moving at 4.60m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.220 with her skis. How far does she travel on this patch before stopping?
A particle with mass m=6.6x10-27 kg and charge q=+2e is moving in a magnetic field. it has a spiral trajectory with a radius of 30 cm. The magnitude of the manetic field is .5t. Find the componant of the velocity of the particle which perpendicula..
A platform with a total weight of 2900lbf is raised by a power screw at a rate of 20 in/s. How much power is exerted on the platform? Do the power screws require precisely, more, or less than that amount?
A uniform rope of mass m and length L hangs from a ceiling. (a) Show that the speed of a transverse wave on the rope is a function of y, the distance from the lower end, and is given by v = √(gy). (b) Show that the time a transverse wave takes to..
A 1.60-mol sample of helium gas initially at 300 K, and 0.400 atm is compressed isothermally to 1.60 atm. Note that the helium behaves as an ideal gas. Find the final volume of the gas.
Determine the coefficient of kinetic friction between the block & the table.
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