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murzikaleks [220]
3 years ago
11

PLZ HELP ME 3 MIINS 50 POINTS AND BRAINLEIST

Physics
2 answers:
inessss [21]3 years ago
7 0

The rock weighs 150 N.

2. To calculate mechanical advantage, divide the output force of the lever by the input force

on the handle of the lever. If the rock weighs 150 N, the force of its weight is also 150 N. Therefore, 150 N/ 30 N = 5.

Give me BRAINLEIST please!

yawa3891 [41]3 years ago
4 0

Answer:

I calculated the mechanical advantage. It is in the picture above

but I haven't gotten the weight but I know the general formula of weight 2 be m×g (mass ×gravity) I will get back 2 u once I solve it plz don't be offended and plz Mark me brainliest answer

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Compare the collision between two baseballs and a catcher's mitt.
Nookie1986 [14]

The applied force is different for the two cases

The case A with a greater force involves the greatest momentum change

The case A involves the greatest force.

<h3>What is collision?</h3>
  • This is the head-on impact between two object moving in opposite or same direction.

The initial momentum of the two ball is the same.

P = mv

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  • v is the initial velocity of each ball

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Thus, the final momentum of each ball will be different

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Learn more about impulse here: brainly.com/question/25700778

3 0
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__________energy might also be released during a chemical reaction
pentagon [3]
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7 0
3 years ago
When an electron loses or gains a charge, it becomes?​
suter [353]

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6 0
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Read 2 more answers
Help me please I can't get the final step​
inna [77]

Answer:

\displaystyle m=\frac{2}{3},\ n=\frac{4}{3}

Explanation:

<u>Dimensional Analysis</u>

It's given the relation between quantities A, B, and C as follows:

\displaystyle A=\frac{3}{2}B^mC^n

and the dimensions of each variable is:

A=L^2T^2

B=LT^{-1}

C=LT^2

Substituting the dimensions into the relation (the coefficient is not important in dimension analysis):

\displaystyle L^2T^2=\left(LT^{-1}\right)^m\left(LT^2\right)^n

Operating:

L^2T^2=\left(L^mT^{-m}\right)\left(L^nT^{2n}\right)

L^2T^2=L^{m+m}T^{-m+2n}

Equating the exponents:

m+n=2

-m+2n=2

Adding both equations:

3n=4

Solving:

n=4/3

m=2-4/3=2/3

Answer:

\mathbf{\displaystyle m=\frac{2}{3},\ n=\frac{4}{3}}

6 0
3 years ago
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