Physics, 04.12.2020 18:20 PastelHibiscus
A sports car accelerates from 0 to 25 meters per second in 4 seconds. What is its acceleration?
Question 1 options:
10ms2
6.25 ms2
25ms
0ms
20pts
Answers: 1
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There are weak or strong attractive forces between atoms of liquids with a high viscosity
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 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 11:30
Write down two additional questions about earth's magnetic field that will make your presentation more informative.
Answers: 1
A sports car accelerates from 0 to 25 meters per second in 4 seconds. What is its acceleration?
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