Atrain has a constant velocity of 2 m/s east. what is the magnitude of the horizontal acceleration of the train? a. −2 m/s² b. 0 m/s² c. 2 m/s² d. 9.8 m/s²

Which instrument is used to measure air temperature

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?