Physics, 24.04.2020 15:06 walkereddie580
A truck of mass 3 tonnes moves up an incline at a constant velocity 10m/s against a frictional force 200N . The incline is such that it rises 1 m for every 15m along the incline. Calculatethe power output of the truck engine.(g=10m/s)
Answers: 2
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 22.06.2019 07:30
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 20:40
In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
Answers: 1
A truck of mass 3 tonnes moves up an incline at a constant velocity 10m/s against a frictional force...
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