Physics, 14.09.2019 03:30 amirasaleh1012
Aparachutist falls 50.0 m without friction. when the parachute opens, he slows down at a rate of 61 m/s^2. if he reaches the ground with a speed of 17 m/s, how long was he in the air (in seconds)?
Answers: 3
Physics, 22.06.2019 18:30, okitsfrizz6366
Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
Answers: 1
Physics, 23.06.2019 05:30, geo58
20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine
Answers: 1
Physics, 23.06.2019 06:30, davelopez979
The energy of a photon is equal to (what) times (what) of the photon.
Answers: 1
Aparachutist falls 50.0 m without friction. when the parachute opens, he slows down at a rate of 61...
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