Physics, 14.10.2020 15:01 danielleepham
It is more difficult to climb a vertical staircasethan a slanted one
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 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is β8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
Physics, 22.06.2019 15:50
How many neutrons does plutonium -196 with an atomic number of 78.
Answers: 3
It is more difficult to climb a vertical staircasethan a slanted one...
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