1. Which of the following is NOT true about momentum? a. It has direction
b. It is conserved in a system
c. It depends on mass and velocity
d. It is the same as the energy of a body

2. Which of the following is TRUE about the impulse acting on a body and it's change in momentum?
a. Impulse is equal to the change in momentum
b. Impulse is greater than the change in momentum
c. Impulse is less than the change in momentum
d. There is no relation between impulse and change in momentum​​

What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .