Physics, 31.07.2019 16:20 cadanceowasso
One student suggests using a front-loading washing machine instead of a top-loading washing machine to conserve water. which of these statements best describes the suggestion made by the student? a. it is practical because it is easy to implement. b. it is practical because a top-loading machine uses much more water than a front-loading machine. c. it is not practical because all washing machines use the same amount of water. d. it is not practical because front-loading machines are more expensive than top-loading machines.
Answers: 1
Physics, 21.06.2019 18:20
What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
Answers: 1
Physics, 22.06.2019 07:20
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
One student suggests using a front-loading washing machine instead of a top-loading washing machine...
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