What is the frequency for a beam of electrons orbiting in a field of 4.62 x 10^-3 T? Let the mass of an electrons m = 9.31 x 10^-31 kg, and the charge on an electron q = - 1.60 x 10^-19 C.

A. 129 MHz

B. 439 MHz

C. 223 MHz

D. 811 MHz

Eclipses of the sun and moon are best explained by which of the following? The irregular shape of the orbits of Earth and the moon The rotation of Earth and the moon on their axis The revolution of Earth and the moon around the sun The different

If a person drives 4 miles to the mall and the speed limit is 45 miles/hr and the person makes the trip. 03 hours is that person speeding

Mechanical (sound) waves to Earth from satellites. How is this possible? aves are unable to travel through a vacuum, such as through space, but radio waves are transmitted

An 80 kg hockey player is skating at 5 m/s. He collides with the wall and comes to a stop in. 2 s. What was the force of his impact on the wall

Part complete during a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the wall to 12.0 m/s away from the wall. if the time the ball was in contact with the wall was 60.

The power of a machine measures A. its rate of doing work. B. its strength. C. the force it produces. D. the work it does.

the acceleration of gravity is 28 times on sun than earth. Imagine there is a space suit that let you stand on sun. Calculate the weight of 100 kg person on earth in newtons

A force of 20 n acts upon a 5 kg block, calculate acceleration of the object

What resultant force is needed to accelerate a train of mass 3.41000000 kg from rest to 15.0ms in exactly 20s

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