A 0.2 kg hockey puck is sliding along the ice with an initial velocity of -5.0 m/s when a player strikes it with his stick, causing it to reverse its direction and giving it a velocity of +10 m/s. The impulse the stick applies to the puck is most nearly ?

Ajogger accelerates from rest to 4.86 m/s in 2.43 s. a car accelerates from 20.6 to 32.7 m/s also in 2.43 s. (a) find the magnitude of the acceleration of the jogger. (b) determine the magnitude of the acceleration of the car. (c) how much further does the car travel than the jogger during the 2.43 s?

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Could someone . i have tried to solve myself but my calculation is off