Physics, 18.10.2019 07:30 briannawoods13
Aman has an air conditioner he wants to load into the back of his truck. instead of lifting the air conditioner and carrying it to the truck, he improvises a ramp. he takes a board that is 3.6 meters long and places one end of it in the back of his truck, 1.2 meters off the ground. he leaves the other end of the board on the ground. he places the air conditioner on a dolly and pushes them both up the ramp and into the truck. what is the mechanical advantage of the ramp?
Answers: 1
Physics, 22.06.2019 02:40
If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability
Answers: 1
Physics, 22.06.2019 04:30
Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.
Answers: 2
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
Aman has an air conditioner he wants to load into the back of his truck. instead of lifting the air...
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