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Brums [2.3K]
3 years ago
11

How much more light does one collect with a 10-meter diameter telescope in 1 second than with a 0.1-meter diameter telescope in

10,000 seconds (nearly 3 hours)?
A. 1/100th as much

B. 1/10th as much

C. Same amount

D. 10 times as much

E. 100 times as much
Physics
1 answer:
lukranit [14]3 years ago
8 0
E .100 times as much
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In a given lightning flash, the potential difference between a cloud and the ground is 2.86 times 109 V and the quantity of char
Nadya [2.5K]

Answer:

Explanation:

decrease in energy of the transferred charge

= Voltage x charge

= 2.86 x 10⁹ x 23.1

= 66.067 x 10⁹ J

the final speed of the automobile be V

1/2 m v² = 66.067 x 10⁹

v² = 66.067 x 10⁹ x 2 / 1519

= .08698 x10⁹

= 87 x 10⁶

v = 9.32 x 10³ m / s

3 0
3 years ago
In physics, what is the positive and negative sign used for when applied to velocity and acceleration?
Kobotan [32]

Answer:

Opposite direction

Explanation:

For example: The first object travels in the direction pointing to east, while the other one travels pointing to the west.

The first object will have a positive value while the second one will have a negative, cause it's going to the opposite direction

6 0
3 years ago
At an outdoor market, a bunch of bananas is set on a spring scale to measure the weight. The spring sets the full bunch of banan
olga55 [171]

Answer:

Mass of banana is 1.12 Kg

Explanation:

Step 1: Determine the equation of speed of an object moving in an harmonic motion

Speed of moving in an harmonic motion is given by

v = \sqrt{\frac{k}{m} (A^2 -x^2)} \\

Here, v represents the speed of the object in harmonic motion, k is the springs constant, m is the mass of the object, A is the amplitude, and x is the position.

In this question , x = 0 because only at this position maximum speed occurs

So the simplified equation becomes -

v = \sqrt{(\frac{k}{m} * A)}

OR

m = \frac{kA^2}{v_(max)^2}

Substituting the given values in above equation we get -

Assume spring constant is 16N/m

m = \frac{16 * 0.14}{2} \\m = 1.12

Mass of banana is 1.12 Kg

5 0
3 years ago
NEED HELP ASAP
kakasveta [241]

Answer:

Wavelength!

Explanation:

At least I think? Or wavelength might be crest to crest! Sorry if I'm incorrect. Let me know how I did!

8 0
3 years ago
Just two questions please answer.physics wave
Elden [556K]
Can’t see the pdf or video
8 0
3 years ago
Read 2 more answers
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