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oksian1 [2.3K]
2 years ago
10

Calculate the kinetic energy of an 80,000 kg airplane that is flying with a velocity of 167 m/s.

Physics
1 answer:
liq [111]2 years ago
7 0

Answer:

1115560000 J

Explanation:

1/2 * 80,000 * 167^2 m/s = 1115560000 J

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Similarities between the flow of water and an electric circuit.
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They both flow in currents. Water has a pump that works like a battery and pipes that work like a circuit.

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3 years ago
Samantha and Emily are pushing a box of textbooks in the same direction across their classroom. Samantha is applying a force of
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Answer: 20 newtons

Explanation:

Given that:

Force applied by Samantha = 10 newtons

Force applied by Emily = 10 newtons

Direction of both forces = same

Net force of their efforts = ?

Since net force of forces applied in the same direction is obtained by adding up the seperate forces applied, then

Net force = (10 newtons + 10 newtons)

Net force = 20 newtons

Thus, the net force of their efforts is 20 newtons.

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3 years ago
Juan wants to dilute a 5 molar solution of sulfuric acid down to a 1 molar solution. What would be the best way for him to do th
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8 0
3 years ago
Read 2 more answers
If
Aleksandr-060686 [28]

Answer:

A factor of 2*4 = 8

Explanation:

F_g = (G*m1*m2)/r^2  

where m1 and m2 are the two masses, G is Newton's gravitational constant, and r is the distance between the center of mass of the two objects.

So, if you double m1 and quadruple m2:

m1' = 2*m1

m2' = 4*m2

Then F_g' = (G*m1'*m2')/r^2 = (G*2*m1*4*m2)/r^2 = 8*(G*m1*m2)/r^2 = 8*F_g

3 0
3 years ago
What is the spring potential energy of a spring that is stretched 15 cm if its spring constant is 350 n/m?
VladimirAG [237]

Answer:

Spring potential energy = 7.875Nm

Explanation:

<u>Given the following data;</u>

Extension, e = 15cm to meters = 15/100 = 0.15m

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Force = spring constant * extension

Force = 350 * 0.15

Force = 52.5 Newton.

Now to find the spring potential energy we would use the formula below;

Spring potential energy = force * extension

Substituting into the equation, we have;

Spring potential energy = 52.5 * 0.15

<em>Spring potential energy = 7.875Nm</em>

6 0
3 years ago
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