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drek231 [11]
3 years ago
5

What is the ideal mechanical advantage of a machine that changes only the direction of the input force?

Physics
1 answer:
Galina-37 [17]3 years ago
6 0
Ideal M.A. is 1 I.e, load =effort
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With speeds up to 90 miles per hour, what is the fastest sport on ice?.
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Answer:

Luge

Explanation:

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Which type of reaction is this?<br> CH3COOH + H20 2 H+ + CH3C00
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dissociation of acetic acid (like vinegar) in water

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dissociation of acetic acid in water

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Two automobiles traveling at right angles to each other collide and stick together. Car A has a mass of 1200 kg and had a speed
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Answer:

v_{B0}=15.73 m/s

Explanation:

We can use the conservation of momentum. The initial momentum is equal to the final momentum:

x-coordinate

p_{0x}=p_{fx}

m_{A}v_{A0}=(m_{A}+m_{B})v_{cx}  

m_{A}v_{A0}=(m_{A}+m_{B})v_{c}cos(40) (1)

y-coordinate

p_{0y}=p_{fy}

m_{B}v_{B0}=(m_{A}+m_{B})v_{cy}  

m_{B}v_{B0}=(m_{A}+m_{B})v_{c}sin(40) (2)

We can divide equations (2) and (1):

\frac{m_{B}v_{B0}}{m_{A}v_{A0}}=\frac{sin(40)}{cos(40)}

\frac{m_{B}v_{B0}}{m_{A}v_{A0}}=tan(40)

v_{B0}=\frac{m_{A}v_{A0}}{m_{B}}*tan(40)

v_{B0}=\frac{1200*25}{1600}*tan(40)

v_{B0}=15.73 m/s

I hope it helps you!

           

4 0
3 years ago
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3 years ago
Dr. West mixes zinc (Zn) and hydrochloric acid (HCl) together in his laboratory. The two chemicals react to form hydrogen gas (H
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A : hydrogen gas and zinc chloride

4 0
3 years ago
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