Physics, 05.11.2019 01:31 sierravick123owr441
Two astronauts are 2.00 m apart in their spaceship. one speaks to the other. the conversation is transmitted to earth via electromagnetic waves. the time it takes for sound waves to travel at 354 m/s through the air between the astronauts equals the time it takes for the electromagnetic waves to travel to the earth. how far away from the earth is the spaceship?
Answers: 2
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
Which accounts for an increase in the temperature of a gas that is kept a constant volume
Answers: 1
Physics, 22.06.2019 15:20
A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant
Answers: 3
Two astronauts are 2.00 m apart in their spaceship. one speaks to the other. the conversation is tra...
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