A 0.5 kg drone traveling 15 m/s crashes into a tree. What is the momentum of the drone before and after the crash?

A) 7.5 kg • m/s before and 0 kg · m/s after

B) 30 kg - m/s before and 0 kg • m/s after

C) 0 kg • m/s before and after due to the crash

D) 7.5 kg · m/s before and after

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass