Physics, 08.10.2019 20:00 elijahjacksonrp6z2o7
A5.4 kg object has a velocity of 5 m/s. it collides with a 1.7 kg object which is not moving before the collision. after the collision, the first object has a velocity of 2m/s.
a) what is the impulse for the first object?
b) what is the impulse for the second object?
c) what is the second objects velocity after the collision if it was not moving before the collision?
Answers: 3
Physics, 21.06.2019 18:00
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
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Physics, 22.06.2019 10:00
Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
Answers: 2
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
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Physics, 22.06.2019 14:40
During the experiment if you could triple the breakaway magnetic force with all other quantities left unchanged, what is the new value for the critical velocity if it was v0 (initial velocity), initially? (b) now if you halved the radius with all other quantities left unchanged, what is the new critical velocity if it was v0 (initial velocity), initially? (c) if during the experiment, critical velocity quadrupled with all other quantities left unchanged, what is the new breakaway force if its magnitude was initially f0,?
Answers: 1
A5.4 kg object has a velocity of 5 m/s. it collides with a 1.7 kg object which is not moving before...
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