Physics, 29.10.2019 23:31, ladypink94
Abaseball with a mass of 148 g is thrown horizontally with a speed of 40.7 m/s (91 mi/h) at a bat. the ball is in contact with the bat for 1.05 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). determine the average force exerted on the ball by the bat.
Answers: 2
Physics, 21.06.2019 20:20, jasminelynn135owmyj1
Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 1
Abaseball with a mass of 148 g is thrown horizontally with a speed of 40.7 m/s (91 mi/h) at a bat. t...