Physics, 05.11.2020 22:20 madleneinejessup
1. An object of mass 6-kg was pulling up on a mass of 3-kg sitting on an inclined plane(40 degrees) with a string and a tension T. Assuming that the system was going counterclockwise(upon the incline0 and assuming that the incline is frictionless, calculate: a. The acceleration of the system. b. The tension in the string.
Answers: 3
Physics, 22.06.2019 09:30
Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.
Answers: 2
Physics, 22.06.2019 11:10
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Physics, 23.06.2019 09:30
Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.
Answers: 2
1. An object of mass 6-kg was pulling up on a mass of 3-kg sitting on an inclined plane(40 degrees)...
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