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Neko [114]
3 years ago
6

Balanced Rock has a mass of about 36,000 kg. If the acceleration due to gravity is 9.8 m/s², (9.8 squared) what is the force tha

t the rock is exerting on its pedestal? Include labels.
HINT: Remember Newton's second law, F=MA.
Physics
2 answers:
lilavasa [31]3 years ago
8 0
That means the rock has a downward force due to gravity of 
(9.8)(36,000) = 352,800 N downwards on a free body diagram. If the rock is balanced, that means the normal force up is equal to 352,800 N. And due to Newton's about equal and opposite reactions, if the pedestal is pushing up on the rock with 352,800 N of force, then the rock is exerting 352,800 N of force onto the pedestal. 
storchak [24]3 years ago
8 0
So,

Newton's Second Law says: force = mass * acceleration

Plug in the given values.
force = 36,000 kg * 9.8 m/s^2
force = 352,800  \frac{kg * m}{ s^{2} }

force = 352,800 Newtons to the (direction)
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Allele frequencies are unaffected by assortative mating, but genotype frequencies .

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A population's genotype frequency is calculated by dividing the number of people having a particular genotype by the overall population size. The genotype frequency in population genetics is the frequency or ratio (i.e., 0 f 1) among genotypes inside a population.

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4 0
1 year ago
A perfectly elastic collision occurs between a 15.0-kg mass traveling at 3.50 m/s and a 9.00-kg mass traveling at 2.35 m/s. if t
BaLLatris [955]
Momentum is conserved in a collision. Momentum is mass*velocity, so you can find your answer by calculating initial and final momentums and setting them equal to each other.

15kg * 3.50 m/s + 9kg * 2.35 m/s = 73.65 kg m/s

73.65 = 9 * 2.8 + 15x

solve for x
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5 0
3 years ago
In 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami?
lilavasa [31]
The approximate height of the tsunami in Alaska in 1958 is 1720ft
6 0
3 years ago
Read 2 more answers
If a proton is released at the equator and falls toward earth under the influence of gravity, the magnetic force on the proton w
pantera1 [17]
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3 0
3 years ago
When its 75 kW (100 hp) engine is generating full power, a small single-engine airplane with mass 700 kg gains altitude at a rat
svlad2 [7]

Answer:

343/1500

Explanation:

Power: This can be defined as the product force and velocity. The S.I unit of power is Watt (w).

From the question,

P' = mg×v................. Equation 1

Where P' = power used to gain an altitude, m = mass of the engine, g = acceleration due to gravity of the engine, v = velocity of the engine.

Given: m = 700 kg, v = 2.5 m/s, g = 9.8 m/s²

Substitute into equation 1

P' = 700(2.5)(9.8)

P' = 17150 W.

If the full power generated by the engine = 75000 W

The fraction of the engine power used to make the climb = 17150/75000

= 343/1500

8 0
3 years ago
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