A truck carrying a 65.4 kg crate accelerates from rest to 61.5 km/h on a flat horizontal surface in 15.2 seconds. the crate does not slip in the truck bed. the acceleration was not constant. how much work was done on the crate by the truck

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

Explain what happens at the saturation point when adding salt to water at room temperature.