Identify the type of particle that would be given off by each of the following nuclear reactions: Americium-241 (Am-241) → Neptunium-237 (Np-237) +

a. Alpha (2p, 2n)

b. None

c. Beta (1 e-)

d. Gamma (1n)

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves