Physics
Physics, 26.11.2019 01:31, shelatzcreed

Karen has a mass of 56.2 kg as she rides the up escalator at woodley park station of the washington d. c. metro. karen rode a distance of 60.4 m, one of the longest escalators in the world. the acceleration of gravity is 9.8 m/s 2 . how much work did the escalator do on karen if it has an inclination of 28.9 ◦ ?

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 01:00, tulensru02
Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
Answers: 1
image
Physics, 22.06.2019 03:00, nkidder
An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
Answers: 2
image
Physics, 22.06.2019 11:50, azertyqwerty123
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
image
Physics, 22.06.2019 12:10, zoebtharpe
Does anyone have the answers to online physics course plato course physics, semester a v3.0
Answers: 2
Do you know the correct answer?
Karen has a mass of 56.2 kg as she rides the up escalator at woodley park station of the washington...

Questions in other subjects: