Physics, 12.07.2019 23:10 haileysolis5
Avoltmeter is used to determine the voltage across a parallel plate capacitor; the positive plate has a 400 kv higher electric potential than the negative plate.
1) in ev, how much will the potential energy of a proton change by moving it from near the negative plate to near the posivite plate?
2) in ev, how much will the potential energy of an electron change by moving it from near the negative plate to near the positive plate?
Answers: 2
Physics, 21.06.2019 17:30
The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. a: at what value of t does the velocity vector of the insect make an angle of 34.0 degree clockwise from the x-axis? b: at the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? c : at the time calculated in part (a), what is the direction of the acceleration vector of the insect?
Answers: 1
Physics, 22.06.2019 11:30
(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.
Answers: 2
Physics, 22.06.2019 18:30
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
Physics, 23.06.2019 09:50
If one object has a large redshift and another object has a small redshift, what can we conclude about these two objects?
Answers: 1
Avoltmeter is used to determine the voltage across a parallel plate capacitor; the positive plate h...
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