Physics, 08.07.2019 23:30 giajramosp2r5da
Aball is thrown at some angle. the ball is in the air for 4.5 seconds before it hits. if it travels 45 meters before it hits the ground, what was the initial velocity of the ball? (magnitude and direction)
Answers: 1
Physics, 21.06.2019 23:20
Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
Physics, 22.06.2019 02:10
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
Answers: 2
Aball is thrown at some angle. the ball is in the air for 4.5 seconds before it hits. if it travels...
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