Physics, 25.10.2019 05:43 andrearamos12oxdie5
Arockets is fired vertically from the ground. it moves upwards with a constant acceleration 10m/s square for 30 seconds after which the fuel is finished. after what time from the instant of firing the rocket will attain the maximum height? ,find maximumu height it reaches above the ground. find total time the rockets will stay above the grounds.
Answers: 1
Physics, 21.06.2019 14:30
If 1 lb of fat is stored by the body for each 14.6×103kj of excess nutritional energy consumed, how long will it take this person to gain 1 lb?
Answers: 2
Physics, 21.06.2019 16:30
Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer
Answers: 3
Physics, 22.06.2019 03:30
Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einstein’s special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)
Answers: 1
Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Arockets is fired vertically from the ground. it moves upwards with a constant acceleration 10m/s sq...
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