Physics, 04.06.2021 18:30 jayzelgaspar8441
What is the average speed (in km/h) of Zhana, who runs to the store that is 4.0 km away in 30.0 minutes?
0.13 km/ h
8.0 km/h
2.0 km/h
Answers: 3
Physics, 21.06.2019 21:40
This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?
Answers: 3
Physics, 21.06.2019 22:30
Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane
Answers: 1
Physics, 21.06.2019 22:40
In physics the desire of an object to keep doing what it is doing is termed?
Answers: 1
Physics, 22.06.2019 00:30
Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
Answers: 1
What is the average speed (in km/h) of Zhana, who runs to the store that is 4.0 km away in 30.0 minu...
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