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vampirchik [111]
3 years ago
6

Which example best illustrates the transfer of energy between two waves? A) A buoy rises in the water as a boat speeds past. B)

A basketball rebounds from the backboard during a missed shot. C) An egg that rolls off the counter falls and breaks on the floor. D) A car that rear ends another car causes damage to both vehicles.
Physics
2 answers:
Vinil7 [7]3 years ago
4 0

Answer:

A.

Explanation:

Phantasy [73]3 years ago
4 0

Answer: Option A

Explanation: Waves (mechanical and electromagnetic) can transfer energy when they impact into something.

When a boat speeds in the water, the boat itself pushes water around it generating mechanical waves in the water, those mechanical waves now travel on the surface of the water. When those mechanical waves impact the buoy, the waves also move the buoy, and now the buy is in a "wave-like" motion (you can model the movement of the buoy as a mechanical wave, that goes up and down), so this is a good example of energy transfer.

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Father drove 176 km in 7 hours. For the first 92 km, he spent
Verizon [17]

Answer:

28km/h

Explanation:

92km = 4 hours

176 - 92 = 84

84km = 3 hours

84/3 = 28

28km/h

Hopefully this helps you :)

pls mark brainlest ;)

3 0
3 years ago
Suppose a skydiver (mass =100kg) is falling towards the earth. When the skydiver is 80 m above the earth he is moving at 60 m/s
goblinko [34]

Answer:

The total mechanical energy of the skydiver is, E  = 96402.6 J

Explanation:

Given data,

The mass of the skydiver, m = 100 kg

The speed of the skydiver at 80 m height, v = 60 m/s

The initial velocity of the skydiver, u = 0

Using the III equations of motion,

                                  v² = u² + 2gs

                                   s = v²/2g

Substituting the given values,

                                   s = ½ 60²/ 9.8

                                      = 18.37 m

Hence the initial total distance of the skydiver from the ground initially,

                                    h = s + d

                                        = 18.37 + 80

                                         = 98.37 m

Since the total mechanical energy of a system is conserved, the total mechanical energy of the skydiver at height 'h' is equal to the total mechanical energy at height 'd'.

                                        E = P.E + K.E

                                            = mgh + ½ mu²

                                            = 100 x 9.8 x 98.37     ( ∵ u = 0)

                                             = 96402.6 J

Hence, the total mechanical energy of the skydiver is, E  = 96402.6 J

5 0
3 years ago
When you heat ice on a hot stove, the ice melts. what is happening during this process?
masya89 [10]
Heat energy is being transferred
5 0
3 years ago
Read 2 more answers
How does a seat belt stop your body from moving in a forward motion in a car?
stiks02 [169]
D, when a moving car suddenly stops, your body is still moving forward until the seatbelt stops you.

When things move, there is always friction. It's what makes cars move in the first place. The inside of the car doesn't move, however the wheels on the car are moving at a rapid pace. When the car stops violently, everything inside the car is thrown. The seat belt acts as a safety precaution if an accident happens.

Mark brainliest?
5 0
3 years ago
Which of the following is an example of the transformation of gravitational potential energy into motion energy (kinetic energy
nikklg [1K]

Answer:

A drop of water falling from a faucet into a sink

5 0
3 years ago
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