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Crank
2 years ago
10

A ball is thrown up with a vertical velocity of 15 m/s and a horizontal velocity of 50 m/s. Calculate how many seconds it will t

ake for it to reach it's peak (assuming no air resistance).
Physics
1 answer:
DerKrebs [107]2 years ago
5 0

Answer:

It will take 23 hours and 29 minutes

Explanation:

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Read the paragraph below and answer the question that follows:
elena-s [515]

B. Helium because it is constantly being made in the sun

Explanation:

From the given paragraph, we can conclude that helium is the most common element in a star such as the sun because it is constantly being made.

In the nuclear fusion process that results in the production of helium, hydrogen nuclei are the reactants and helium is the product.

  • since the reactants are constantly being used in the core of the sun, this suggests that the products must be more.
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8 0
3 years ago
The sound source of a ship’s sonar system operates at a frequency of 22.0 kHz . The speed of sound in water (assumed to be at a
Degger [83]

Answer:

147.456077993 Hz

Explanation:

f_0 = Frequency of the sonar = 22 kHz

v_w = Velocity of the whale = 4.95 m/s

v = Speed of sound in water = 1482 m/s

The difference in frequency is given by

\Delta f=f_0\times\dfrac{2v_{w}}{v-v_w}\\\Rightarrow \Delta f=22000\times\dfrac{2\times 4.95}{1482-4.95}\\\Rightarrow \Delta f=147.456077993\ Hz

The difference in frequency is 147.456077993 Hz

6 0
3 years ago
As potential and kinetic energy increase what happens to mechanical energy?
Tom [10]

Answer:

a

Explanation:

7 0
3 years ago
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A ______________ is a continuous flow of water in a single direction. *
Oxana [17]

Answer:

Current

Explanation:

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5 0
3 years ago
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in a series circuit, how does the voltage supplied by the battery compare to the voltages on each load?
kozerog [31]

Answer:

In a series circuit, how does the voltage supplied by the battery compare to the voltage on each load? The voltage of the battery is equal to the voltage of each load added together. ... The voltage across the two resistors must both have the same voltage of the battery.

Explanation:

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4 0
2 years ago
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