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Sladkaya [172]
3 years ago
6

If you were to yell at a canyon wall, you would hear yourself a short time later. This is because sound can be

Physics
2 answers:
mojhsa [17]3 years ago
5 0
The answer is answer b refracted

Nadusha1986 [10]3 years ago
3 0
Reflected is the answer
hope this helps:)

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An electric heater rated 500 W operates 24 hours/ day. what is the cost of energy to operate it for 20 days at Rs. 2.00 per kWh
Rina8888 [55]

Answer:

Rs. 480.00

Explanation:

1kW = 1000W

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4 0
1 year ago
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frez [133]

Answer:

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Explanation:

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3 years ago
If a ball rolls at constant velocity, it is rolling at constant speed? explain
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~kaikers
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3 years ago
Choose the best explanation from among the following: A. It takes more energy to go from the Moon to the Earth because the Moon
nekit [7.7K]

Answer:

B. The escape speed of the Moon is less than that of the Earth; therefore, less energy is required to leave the Moon.

Explanation:

Since the speed required to escape from the gravitational attraction of the Moon is less than the speed required to escape from the gravitational attraction of the Earth, less energy is required to travel from the Moon to the Earth, than is required to travel from the Earth to the Moon. This is because the kinetic energy is directly proportional to the square of the velocity.

8 0
3 years ago
What is force and measurement​
NeTakaya

Explanation:

In physics, force is a quantitative description of an interaction that causes a change in an object's motion. ... It is defined as Mass x Acceleration = Force. The SI unit of force is the newton (N); defined as the unit of force which would give to a mass of one kilogram an acceleration of 1 meter per second squared. hope this helps you discover the best answer

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