Physics, 10.12.2020 21:50 angelicadattoli
A girl in a bumper car (with a combined mass of 230 kg) is traveling at 3.8 m/s due north. A boy in a bumper car (with a mass of 220 kg) also is traveling due north ahead of the girl but is moving at only 1.5 m/s. The girl catches the boy’s bumper car and they have a collision. Afterward, the boy is traveling at 3.1 m/s north. What is the magnitude and velocity of the girl’s bumper car? (Round your answer to the nearest tenth.)
Answers: 3
Physics, 21.06.2019 17:30
Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.
Answers: 1
Physics, 22.06.2019 12:00
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
Answers: 1
Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
A girl in a bumper car (with a combined mass of 230 kg) is traveling at 3.8 m/s due north. A boy in...
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