Physics, 16.12.2020 16:50 chloerodgers56
. A rubber ball dropped from a height of 20m
(g=10m/s2) falls on the roof of an elevator
going up at 2 m/s. If the collision of the ball
with the elevator is elastic, the ball
rebounds with a velocity of
Answers: 3
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The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass
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Physics, 21.06.2019 18:00, Pumpkinputters
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 08:40, Hazeleyes13
An isolated conducting spherical shell carries a positive charge. part a which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? electric potential inside the shell is constant and outside the shell is changing as 1/r2 both the electric potential and the electric field does change with r inside and outside the spherical shell electric potential inside and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is equal to zero electric field inside and outside the shell is constant (does not change with the position r), but is not equal to zero electric field inside and outside the shell is changing as 1/r (where r is the distance from the center of the sphere) electric field inside is equal to zero and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is changing as 1/r electric field inside and outside the shell is changing as 1/r2 electric field inside is equal to zero and outside the shell is changing as 1/r2 electric field inside and outside the shell is zero electric field inside is constant and outside the shell is changing as 1/r
Answers: 3
Physics, 22.06.2019 17:00, deathray4035
Photons with the highest energy have the longest period
Answers: 1
. A rubber ball dropped from a height of 20m
(g=10m/s2) falls on the roof of an elevator
going...
going...
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