A 26 g metal ball is shot from a toy cannon into a 26.2 kg block of wood attached to wires and free to swing. When the metal hits the wood, it stays in the block and the block swings upward with a maximum height of 0.70 m. whats the velocity of the block and ball right after the block hits, and whats the velocity of the metal ball right before it hits.

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

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?