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barxatty [35]
3 years ago
7

Which wavelength of light is capable of penetrating the dust of a nebula?

Physics
1 answer:
ivann1987 [24]3 years ago
8 0
When the dust is too thick to penetrate with visible light, such as the Nebula, Radio Waves are used to penetrate the dust. Longer radio waves can completely penetrate the thick cloud cover, allowing scientists to beam radar waves.
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Remains of ancient life are most often preserved through which process?
ki77a [65]
Well, it would be fossilization. <- If I spelled it correctly.
6 0
3 years ago
Which term could be used to explain why someone could safely sit on a hot wooden bench but not a hot metal bench? A. Radiation B
PilotLPTM [1.2K]
B. specific heat capacity 
hope this helps
5 0
3 years ago
Read 2 more answers
How do you find the net force acting on an object?
weqwewe [10]

Answer:

C. Add all the force vectors

Explanation:

The net force acting on an object is the vector sum of all the  forces on the object.

Remember, Newton's first law tells us a body at rest will remain at rest or that in uniform motion will continue in motion unless acted by unbalanced forces.These unbalanced forces act in all direction towards the body thus to get the net force you require a summation of all these force with respect to their magnitudes and directions.

For example a force of 3N towards the East direction acting on a body and another force of 2N towards the West direction on the same body will generate a net force of 1N towards the East direction.

4 0
4 years ago
A car with mass 1500 kg moves with constant velocity of 36 m/s. The driver sees a group of cows in front and he immediately step
Crazy boy [7]
From laws of motion:

S = ( \frac{v + u}{2} ) \times t
Where S is the distance/displacement (as you would call it) which is unknown
v = final velocity which is 0m/s (this is because the car stops)
u = initial velocity which is 36m/s (from the data given)
t = time taken for the distance to be covered and it is 6s


Substitute the values, hence:
S = ( \frac{0 + 36}{2} ) \times 6
S = (18) \times 6 \\  \\ S = 108m

But this is merely the distance he travelled in the 6 seconds he was trying to stop the car.

Therefore, the distance between the car and the cows = 160-108
Distance = 52m
6 0
3 years ago
A coffee maker uses 7 amps of current and 110 volts.
vekshin1

Power=Amperage *Voltage

P=I*V

7 amps*110 volts

770 watts

Answer: second choice

6 0
3 years ago
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