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2 years ago

What do waves transfer?

Physics

2 answers:

Alina [70]2 years ago

6 0

Answer:

Energy

Explanation:

Waves can transfer energy over distance without moving matter the entire distance. For example, an ocean wave can travel many kilometers without the water itself moving many kilometers. The water moves up and down—a motion known as a disturbance. It is the disturbance that travels in a wave, transferring energy.

MakcuM [25]2 years ago

6 0

Answer:

It is energy because it transfers energy from one place to another without transferring matter. :)

Explanation:

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An aircraft is moving horizontally with a speed of 50m/s, at the height of 2km, an object is dropped from the aircraft. What is

posledela

Explanation:

use the diagram^

horizontal velocity of the object nvr changes, it'll stay 50m/s till it hits the ground

initial vertical velocity = 0

to find the final vertical velocity, use the formula:

$v {}^{2} = u {}^{2} + 2as$

where u = 0m/s, a = 9.8m/s², and s = 2000m

solve for v.

for time taken to reach ground, use the formula:

$v = u + at$

where v = the value for v u calculated above, u = 0 m/s, a = 9.8m/s² and solve for t.

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3 years ago

Anna is driving from Champaign to Indianapolis on I-74. She passes the Prospect Ave. exit at noon and maintains a constant speed

jenyasd209 [6]

Answer:

Anna and Chuck pass each other at 73.66 miles from Prospect Ave. exit.

Explanation:

In the picture you can see that Chuck passes Brownsburg exit half hour later than Anna when she passes Prospect Ave exit. So the time when Anna and Chuck pass each other is:

$t_{C}=t_{A}-0.5 h$

Anna pass Chuck at X distance.

Chuck pass Anna at (105 miles - X) distance.

$X=V_{A}t=V_{A}t_{A}$

$105-X=V_{C}t_{C}=V_{C}(t_{A}-0.5h)$

$t_{A}=\frac{X}{V_{A}}=\frac{105miles-X+0.5hV_{C}}{V_{C}}$

After clear X:

$X=\frac{105miles+0.5h*V_{C}}{1+\frac{V_{C}}{V_{A}} }$

$X=\frac{105miles+0.5h*65mph}{1+\frac{65mph}{75mph} }$

X=73.66 miles

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4 years ago

Item 1 Circuit A has a resistance of 7.5 ohms, and circuit B has a resistance of 5 ohms. Which statement about the circuits must

kirza4 [7]

Answer:

e4atetetsgts4tgesetse

Explanation:

ger54ttagcuit B, then the voltage in circuit A is less than the voltage in circuit B. Item 4 If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is less than the current in circuit B. If the current in circuit A is equal to the current in circuit B, then the voltage in circuit A is less than the voltage in circuit B. If the voltage of circuit A is equal to the voltage of circuit B, then the current in circuit A is equal to the current in circuit B. 0 Type here to search е c

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3 years ago

A 8.61-cm long solenoid consists of 677 turns of a 1.46-cm diameter circular coil. The total resistance of the coil is 0.684 \Om

hoa [83]

Answer:

The energy stored in the magnetic field of the solenoid is 0.633 mJ.

Explanation:

Given that,

Length = 8.61 cm

Number of turns = 677

Diameter = 1.46 cm

Resistance = 0.684 Ω