Physics, 26.06.2019 12:30 bgallman153p71edg
Sort these statements about machines based on whether they are correct or incorrect. boxes: correct / incorrect tiles: > > a staircase is an example of an inclined plane. > > all simple machines have a fulcrum. > > when a person swims through water, no work is done. > > a machine’s power depends on how fast the machine is able to do work. > > the force exerted by a machine on an object that’s lifted or moved is the output force. > > all machines have a mechanical advantage of 1 or more than 1.
Answers: 1
Physics, 22.06.2019 00:20
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
Answers: 2
Physics, 22.06.2019 01:00
An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10
Answers: 3
Physics, 22.06.2019 13:00
The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
Physics, 22.06.2019 18:30
Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.
Answers: 1
Sort these statements about machines based on whether they are correct or incorrect. boxes: correct...
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