A charged particle (Q = 6 C, m = 0.02 kg) moves at a speed of 70 m/s perpendicular to the direction of a uniform magnetic field of 0.03 T. What is the magnitude of the force exerted by the magnetic field on the charge?

Gold's natural state has define shape and a define volume. What is gold natural state (s) ?

A weightlifter does 450 J of work on a barbell in 3 s. How much power is the weightlifter generating?

John lifted a box off the floor using 11 Newtons, how much work did he do

For the following question neglect air resistance. Pay particular attention to whether the answer involves "absolute" quantities that have only magnitude (e. g., speed) or quantities that can have either sign (e. g., velocity).

An 82-kg fireman slides 5.2 m down a fire pole. He holds the pole, which exerts a 550-N steady resistive force on the fireman. At the bottom, he slows to a stop in 0.45 m by bending his knees. Determine the acceleration of the fireman while stopping.

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.

Name six processes that are often involved in scientific inquiry.

What happens to the ball's velocity while the ball is traveling upwards?

What will happen to this current if a magnet is brought near the cord?

A 2.0 kilogram rifle initially at rest fires a 0.002 kilogram bullet. As the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle - bullet system?