Physics, 17.10.2019 19:10 bellamparker
1.)a soccer ball is kicked with a speed of 22m/s at an angle of 35.0º above the horizontal. if the ball lands at the same level from which it was kicked, how long was it in the air?
2.)on the apollo 14 mission to the moon, astronaut alan shepard hit a golf ball. the acceleration due to gravity on the moon is 1/6 of its value on the earth (gravity on moon -1.633m/s2). on earth, golf balls are driven at about 84 m/s with a loft angle of about 15º and have a range of about 353 meters. given the same initial speed and loft angle as on the earth, what was (a) the time of flight for the golf ball and (b) what was the range on the moon?
3.)in 1975, coming out of retirement, the daredevil evel knievel successfully jumped over 14 greyhound buses (a total of 40.5m). to do so, he drives his motorcycle up an incline at a speed of 44.7m/s (about 100mi/hr). what minimum angle should the ramp be in order to clear the buses?
Answers: 3
Physics, 21.06.2019 20:00
When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.
Answers: 1
1.)a soccer ball is kicked with a speed of 22m/s at an angle of 35.0º above the horizontal. if the b...
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