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olya-2409 [2.1K]
3 years ago
7

What is unique about Neptune's discovery?

Physics
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

the answer is

B)It was the first planet located through mathematical calculations

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10 points!! If you help!!!
marta [7]

For Mass

K.E = (1/2*mv^2)

Explanation:

Kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.

4 0
3 years ago
Why do we need food even we lying in bed​
nadezda [96]

Answer:

huger

Explanation:

Every living organisms would always need food because of the need for survival. Therefore, there's no human body positioning that specifies no need for food. E.g we can stand and still take in food; sit and eat, just to mention a few.

4 0
3 years ago
Read 2 more answers
Two protons move at speed v, one along the x axis and one along the y axis. What is the relative speed of the two protons? Evalu
forsale [732]

Answer:

0.85 c

Explanation:

When the two travel at right angles to each other , their relative velocity is given by the hypotenuse formed by the x and y direction velocities.

Relative velocity of the two protons is  given as

\sqrt{v^{2}+v^{2}} = (\sqrt{2} ) v

If v = 3/5 c , then the relative speed = \sqrt{2} (3/5c) =0.85 c

8 0
4 years ago
A paper airplane moving 2.33 m/s has 0.161 J of KE. What is its mass? (Unit = kg)
LekaFEV [45]

The kinetic energy of an object is given by:

KE = 0.5mv²

KE = kinetic energy, m = mass, v = speed

Given values:

KE = 0.161J, v = 2.33m/s

Plug in and solve for m:

0.161 = 0.5m(2.33)²

m = 0.059kg

4 0
3 years ago
Please can someone help me!! It’s so important!!!
Leya [2.2K]

1. is 75 km/h because 150 divided by 2 is 75

3. the second person since he ran the same distance in less time

4. a.True     b.False     c.True


3 0
3 years ago
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