A rocket launching accelerates upwards from rest to a speed of 0 km/s to 25 km/s in 8.0 seconds. Calculate the acceleration.
(no links please!)

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 : )

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

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s