Elaborate on the practicality of radiation therapy in the treatment of cancer.

Two objects are rubbed together, creating friction. What will likely happen next? A. Protons will be rubbed from one surface to another. B. Electrons will be rubbed from one surface to another. C. A flow of electricity will start. D.

Dallas says that any change in velocity is directly proportional tothe time interval over which the change took place. Dana says thatis true only when the acceleration is constant. Which one, ifeither, is correct? a.

A 50 gram bullet is fired through a 5 kg block of wood resting on a frictionless surface. The bullet has an initial speed of 500 m/s, while the block is initially at rest. After passing through the block, the bullet has a speed of 300 m/s.

2. Does the bowling ball have more potential energy or kinetic energy as it is half way through its fall .

During the sixth grade camping trip nine students can sleep in each cabin or boys and girls asleep in each cabin if they're 70 boys and 76 girls on the sixth grade how many cabins will be needed to house all of the students

A 5.00*105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. what is the force constant k of the spring

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?

Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. (a) What impulse is imparted by this force?

If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening?