Fisika Seorang pemain ski bermassa 40 kg ditarik dari keadaan diam sejauh 3 km oleh sebuah perahu selama 5 menit. Berapakah besar nergi kinetik yang dibutuhkan pemain ski tersebut?A. 400 JB. 600 JC. 4000 JD. 6000 J emilebartellulv – June 08, 2023
Fisika A boy hits a stationary billiard ball of mass 30 grams head on with a cue. The cue is in contact with the ball for a time of 0.001 s and exerts a force of 50 N on it. Calculate:a. The impulse on the ball on the direction of the forceb. Calculate the velocity of the ball just after it is struckc. Calculate the acceleration of the ball during the time it is in contact with the cue.d. Find the distance the ball reach in 9 s! emilebartellulv – April 10, 2023