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Kipish [7]
3 years ago
5

17. What is movig from the sound source to the

Physics
2 answers:
Julli [10]3 years ago
7 0

Answer:

<h2>The answer is (Particles)</h2>

Explanation:

Crank3 years ago
7 0
Wind because it moves the fastest and it is really good source of energy
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Name one metal and one non-metal from the periodic table? <br><br> Y’all I need help<br> Thank you!
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Answer:

Zinc and Neon!

Explanation:

zinc is an element that is a transition metal and neon is a noble gas

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3 years ago
The inventor of the electric cell was:<br> O Coulomb<br> Franklin<br> o Gilbert<br> O Volta
Tomtit [17]

Answer:

The inventor of the electric cell was:

Alessandro Volta (in other words, Volta)

Explanation:

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3 years ago
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Which describes how light travels?
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the Answer Would be D

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What is kinematics . Give two examples​
Wittaler [7]

Answer:

kinematics explains the terms like acceleration, velocity, and position of the objects while in motion.

Some important parameters in kinematics are displacement, velocity, and time.

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8 0
2 years ago
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slader How much energy is required to move a 1040 kg object from the Earth's surface to an altitude four times the Earth's radiu
andrew-mc [135]

Answer:

ΔU = 5.21 × 10^(10) J

Explanation:

We are given;

Mass of object; m = 1040 kg

To solve this, we will use the formula for potential energy which is;

U = -GMm/r

But we are told we want to move the object from the Earth's surface to an altitude four times the Earth's radius.

Thus;

ΔU = -GMm((1/r_f) - (1/r_i))

Where;

M is mass of earth = 5.98 × 10^(24) kg

r_f is final radius

r_i is initial radius

G is gravitational constant = 6.67 × 10^(-11) N.m²/kg²

Since, it's moving to altitude four times the Earth's radius, it means that;

r_i = R_e

r_f = R_e + 4R_e = 5R_e

Where R_e is radius of earth = 6371 × 10³ m

Thus;

ΔU = -6.67 × 10^(-11) × 5.98 × 10^(24)

× 1040((1/(5 × 6371 × 10³)) - (1/(6371 × 10³))

ΔU = 5.21 × 10^(10) J

7 0
3 years ago
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