Physics, 30.11.2020 23:10 anthonygarib24
A skateboard is pushed down a ramp at a local skate park with a velocity of 4.0 m/s. It lands 2m away from the ramp. How high is the ramp? How long was the skateboard in the air?
Answers: 2
Physics, 22.06.2019 14:00
Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
Answers: 3
Physics, 23.06.2019 01:30
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?
Answers: 3
Physics, 23.06.2019 02:20
Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n
Answers: 2
Physics, 23.06.2019 22:20
Consider a circuit containing five identical light bulbs and an ideal battery. assume that the resistance of each light bulb remains constant. rank the bulbs (a through e) based on their brightness.
Answers: 3
A skateboard is pushed down a ramp at a local skate park with a velocity of 4.0 m/s. It lands 2m awa...
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