Who expressed particles by wave equations?

Answers

Answer 1

Answer: I believe it was famous quantum physicist Erwin Schrödinger

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A tennis ball is dropped from 1.16 m above theground. It rebounds to a height of 0.866 m.
With what velocity does it hit the ground?
The acceleration of gravity is 9.8 m/s

Answers

Final answer:

Using the principles of free fall motion, it can be determined that a tennis ball dropped from a height of 1.16 meters would hit the ground with a velocity of 4.8 m/s.

Explanation:

The objective here is to calculate the initial velocity of the tennis ball just before it hits the ground. This is a physics question related to free fall motion. We will use the equation of motion, v^2 = u^2 + 2as, where 'v' is the final velocity, 'u' is the initial velocity, 'a' is the acceleration, and 's' is the distance. In our case, the initial velocity (u) is 0 because the ball is dropped, not thrown downwards.

The acceleration (a) is the acceleration due to gravity, which is -9.8 m/s² (it's negative because it acts downwards). The distance (s) will be the drop height, which is -1.16 m (it's negative because we're considering downwards as negative direction). Therefore, the equation becomes (v)^2 = 0 + 2*(-9.8 m/s²)*(-1.16 m). Solving this we get v = √(2*9.8*1.16) m/s = 4.8 m/s. So, the tennis ball hits the ground with a velocity of 4.8 m/s.

Learn more about Free Fall Motion here:

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If 600 J of work is done in 3 s, what is the power? (Power: P = W/t)

Answers

P = W/t
= 600 / 3
Power = 200 Watt

Answer: 200 W

Explanation:

In physics, power is defined as the amount of work done divided by the time taken to do that work:

$P=(W)/(t)$

where W is the work done and t is the time.

In this problem, the work done is W=600 J, while the time taken is t=3 s. Substituting into the formula, we find the power:

$P=(600 J)/(3 s)=200 W$

An engine raises 100kg of water through a height of 60m in 20s. what is the power of the engine

Answers

Answer:

the answer is 3000

Explanation:

power=mass×gravity×height or (divided by /Time)

so 100kg×10×60m/20s

=60,000/20

=3000joule

if I am wrong correct me

A constellation is _______ that forms a pattern resembling animals, mythological characters, or objects.A. a group of meteors
B. a group of stars
C. an entire galaxy
D. one single planet

Answers

The answer is the option B. a a group of stars. So the complete sentence is "A constellation is a group of stars that forms a pattern resembling animals, mythological characters, or objects. Most names of constellations originated in ancient times and took their names from the patterns that observer could watch in the sky. Some examples of constellations are Orion, Aquarium, Cancer, etc.

earth were now in synchronous rotation with the moon? that is, suppose that earth rotated at the same rate that the moon orbits earth. what would be differ-ent about earth and life on it?

Answers

Answer:The day and night cycle would change bye 1.34 hours

Explanation:

A water wave has a frequency of 2 HZ and a wavelength of 5 meters what is its speed

Answers

Speed, v = fλ.

Where f is the frequency in Hertz, wavelength is in meters.

Speed, v = 2*5 = 10

Speed = 10 m/s.

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