Physics, 25.02.2021 16:30 lrich20200
how much heat energy is required to rise 2 killograms of water from 20 diagress celsuies to 45 degress? the specfic heat of water is 4,184 jkgc
Answers: 3
Physics, 22.06.2019 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Physics, 22.06.2019 22:00
Which statement best explains why the overall charge on an atom is zero?
Answers: 1
Physics, 23.06.2019 22:00
The position of a particle moving along an x axis is given by x = 15.0t2 - 5.00t3, where x is in meters and t is in seconds. determine (a) the position, (b) the velocity, and (c) the acceleration of the particle at t = 3.00 s. (d) what is the maximum positive coordinate reached by the particle and (e) at what time is it reached? (f) what is the maximum positive velocity reached by the particle and (g) at what time is it reached? (h) what is the acceleration of the particle at the instant the particle is not moving (other than at t = 0)? (i) determine the average velocity of the particle between t = 0 and t = 3.00 s.
Answers: 1
how much heat energy is required to rise 2 killograms of water from 20 diagress celsuies to 45 degre...
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