The atomic number of a nucleus decreases during which nuclear reactions?

A. Nuclear fission and alpha decay

B. Nuclear fusion and beta decay (positron emission)

C. Nuclear fission and beta decay (electron emission)

D. Nuclear fusion and alpha decay

When the driver first notices the garbage can, the distance between the car and the can is x2-x0=d. You have found that the distance traveled by the car before the brakes are applied is v0t.

Magnetic levitation has been used to innovate which aspect of life? Give examples

Two children pulling the rope with the same force in opposite direction is that an unbalanced force or a balanced force

What best defines work?

Which of the following is a vector quantity? A. 12 L of water B. 100 kg of flour C. 85 m/s on freeways D. 55 mph to the south

A train is accelerating at a rate of 2m/s2. if it's initial velocity is 20 m/s, what is its velocity after 30 seconds

If you have a set of christmas lights that is on a series circuit, predict what would happen if the series circuit were cut off in the middle. how would this differ from what would happen with a parallel circuit?

Prior to the invention of a revolutionary means of travel, people had to take long, dangerous journeys to cross parts of the country. Due to this development, society was revolutionized as travel became safe and efficient.

A 28.5-g object moving to the right at 18.5 cm/s overtakes and collides elastically with a 12.5-g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision. (Take the positive direction to be to the right.

A northfield raider defensive back runs 20 m in 2.5 s what's the average speed