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A Fletcher's trolley is set up over a cliff. If m1 = 40.5 kg (on top of the cliff) and m2 = 18.5 kg (hanging over the edge), what coefficient of friction is needed for the system not to move?

A skier is going down a hill with a coefficient of friction of 0.21 and an angle of 7.5 degrees. if the skier has an initial velocity of 30 m/s, how fast will she be going after 10 s

How would you derive the formula {-Ff+Fgx=ma} to show that µs=tanè

z/m − z/n =1, if m≠n

An archer fires an arrow straight up into the air with a speed vo = 14 m/s. Neglect air resistance. Find the maximum height h reached by the arrow, in meters. Write an expression for the time the arrow is in the air until it returns to launch height in te...

Mark is building a scale model of his car as shown in the diagram. The actual car has a height of 10 feet and the model has a height of 1 foot at the same place. A. What is the actual length of the car? Show your work. B. Mark has model wheels with a diam...

for the second one you take the log of both sides -x+3log9=log95 then you do algebra -x=(log95/log9) -3

plug 400 into x 350(400) - 70

#2 elimination 3x-7y=6 +2x+7y=4 ________ 5x =10 x =2 if x is 2, you plug it in 2(2)+7y=4 7y=4-4 y=0 (2,0)

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I think its 1 km = 1,000 meters

Fresh raspberries contain 80% water. Dried raspberries contain only 20% water. How many pounds of dried raspberries do you get from 36 lb of fresh berries?

4 is d in tx

what is the expression for time?

Actually, it's not wrong, the question ask which is INACCURATE. So, B is the correct answer.

So, you have to divide the area by the force. Which gives you 90 degrees.