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max2010maxim [7]
3 years ago
11

Why is nut-cracker 2nd class lever?​

Physics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

2nd class leaver refers to such leaver in which load lies between effort and fulcrum.In a nut cracker too load is in between effort and fulcrum.Thus, nut cracker is a 2nd class leaver.......

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3 years ago
During maneuvers preceding the Battle of Jutland, the British battle cruiser Lion moved as follows (in nautical miles): 1.2 mile
lana66690 [7]

Answer:

total distance is 11.3 miles

Explanation:

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distance to south at 38 degree east of south = 6.1 miles  

distance to east of north at angle 89 degree = 4 miles  

distance to east of north at angle 31 degree =  6.5 miles

considering each displacement as vector so we have

\begin{pmatrix}0.0\\  1.2\end {pmatrix}   + \begin {pmatrix}3.8\\  -4.8\end{pmatrix} +\begin{pmatrix}4.0\\  0.1\end {pmatrix}+\begin{pmatrix}3.3\\  5.6\end{pmatrix} = \begin{pmatrix}11.1\\  2.1\end{pmatrix}

total distance is \sqrt{11.1^2 + 2.1^2} \approx  11.3

5 0
3 years ago
A car with a mass of 1,400 kg is traveling at a speed of 40 m/s. What is its momentum?
adell [148]

Answer:

The answer is

<h2>56,000 kgm/s</h2>

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7 0
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Explanation:

here

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