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A mass spectrometer is a device which consists of a velocity selector, with crossed electric and magnetic fields E = 950 V/m, B = 0.93 T. Then the electric field ends and the charged particle continues in a circular radius. Calculate the radius for a singly ionized charged particle with a mass m = 2.18 × 10-26 kg.
Suppose that the current is used up as it moves through a resistor. The potential difference across the resistor is kept the same and V/I = R. how can the resistance of the resistor be constant
A woman on a rocket traveling at 0.82c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.85c
Enumerate all the 2S+1LJ terms arising from electronic configuration 1s2 2s2 2p4 (Oxygen). What is the ground state of the system
A resistance R carries a current I = (5 A) sin 120 ?t + (10 A) sin 240 ?t. What is the rms voltage across the resistor
An object with a density of 461.0 kg/m3 and a mass of 2083.0 kg is thrown into the ocean. Find the volume that sticks out of the water
A 3.80 m-long, 430 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
A satellite has a mass of 6076 kg and is in a circular orbit 4.65 × 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface
A ball thrown horizontally at 23 m/s travels a horizontal distance of 55 m before hitting the ground. From what height was the ball thrown
The blades of a fan running at low speed turn at 260rpm . When the fan is switched to high speed, the rotation rate increases uniformly to 360rpm in 5.65s.
A man throws a grenade from a car that is travelling at 90km/hr and wishes to throw it into a car heading in the same direction at 110km/hr
Halley's comet has a period of approximately 76 years, Estimate the comet's maximum distance from the Sun in astronomical units (AUs) (the distance from the Earth to the Sun)
A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. what was the original speed of the bullet
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