Physics, 28.04.2021 02:50, lovvyDovvy04
Engine 1 takes in 100 J of heat from a hot reservoir and
does 20 J of work. Engine 2 takes in 600 J of heat from
the hot reservoir and does 60 J of work. Is the efficiency
of engine 1 greater than, less than or equal to the
efficiency of engine 2? Explain.
Answers: 1
Physics, 21.06.2019 21:30, AleOfficial101
Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?
Answers: 2
Physics, 23.06.2019 01:40, coollid876
(8%) problem 12. a bowling ball of mass mb 3 kg 's rolled down the lane with a velocity ofy-2/ m s lt strikes a single remaining pin mp 0.93 kg head on. after the collision the bowling ball has a velocity (in the same direction) of v2 1.1 m/s. = ▲ 33% part (a) write an expression for the velocity of pin in the horizontal direction after the impact, im ,, 33% part (b) what is the pins speed in ms? 33% part (c) assuming the coefficient of friction s μ,-0.1. how far in meters could the pin slide before stopping if it doesn't topple?
Answers: 1
Physics, 23.06.2019 02:30, xrivas
Intro: a solid ball of radius rb has a uniform charge density ρ. part a: what is the magnitude of the electric field e(r) at a distance r> rb from the center of the ball? express your answer in terms of ρ, rb, r, and ϵ0. part b: what is the magnitude of the electric field e(r) at a distance r express your answer in terms of ρ, rb, r, and ϵ0. part c: let e(r) represent the electric field due to the charged ball throughout all of space. which of the following statements about the electric field are true? check all that apply. e(0) = 0 e(rb)=0 limr→∞e(r)=0 the maximum electric field occurs when r=0 the maximum electric field occurs when r=rb the maximum electric field occurs as r→∞.
Answers: 1
Engine 1 takes in 100 J of heat from a hot reservoir and
does 20 J of work. Engine 2 takes in 600...
Mathematics, 27.03.2020 03:30
Mathematics, 27.03.2020 03:31