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____ [38]
3 years ago
8

All but one statement applies to electromagnetic radiation

Physics
1 answer:
lina2011 [118]3 years ago
3 0
<span>D) Electromagnetic radiation travels in the form of longitudinal waves.</span>
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A car has a mass of 8000kg and a kinetic energy of 24,000j. What is the speed?
Oxana [17]

Answer:

2.5m/s

Explanation:

Kinetic energy = 1/2 mv²

Mass = m= 8000kg

Velocity(speed) = v =

K. E = 24000J

K. E = 1/2 x 8000 x v²

24000 = 4000 x v²

Divide both sides by 4000

V²= 24000/4000

V² = 6

Find square root of both sides

V = √6

V = 2.5 m/s

The S. I unit of energy is joules with symbol J

I hope this was helpful, Please mark as brainliest

7 0
3 years ago
The rate at which correct flows is measured in _?
Reika [66]

C. amperes

this what i think it is

6 0
3 years ago
A truck travels at a speed of 40 mph. How long does it take to travel<br> 240 miles?
Wittaler [7]

Answer:

6 hours

Explanation:

240/40 =6

3 0
3 years ago
A rock thrown with a horizontal velocity of 20m/s from a cliff that is 125m above level ground. If air resistance is negligible,
Alexxandr [17]

Answer: c

Explanation: 125/20 =6.25

6 0
3 years ago
An astronaut is in an all-metal chamber outside the space station when a solar storm results in the deposit of a large positive
ArbitrLikvidat [17]

Answer:

<em>c. The astronaut does not need to worry: the charge will remain on the outside surface.</em>

<em></em>

Explanation:

The astronaut need not worry because <em>according to Gauss's law of electrostatic, a hollow charged surface will have a net zero charge on the inside.</em> This is the case of a Gauss surface, and all the charges stay on the surface of the metal chamber. This same principle explains why passengers are safe from electrostatic charges, in an enclosed aircraft, high up in the atmosphere; all the charges stay on the surface of the aircraft.

3 0
4 years ago
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