Physics, 15.07.2020 20:01, kevinvalencia01
A girl on a skateboard (total mass of 40 kg) is moving at a speed of 10 m/s at the bottom of a long road. The road is inclined at 20o with respect to the horizontal. If she travels 14.2 m upward along the road before stopping, without pushing in any way, what is the net frictional force on her?
Answers: 2
Physics, 21.06.2019 19:50, Jbutler15
How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.
Answers: 1
Physics, 22.06.2019 14:00, mariahgriego4126
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
A girl on a skateboard (total mass of 40 kg) is moving at a speed of 10 m/s at the bottom of a long...
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