Answer:
The answer is the top choice. (-1)
Explanation:
We are dealing with a negative number here, so we should start at negative five on the number line. From here we see that we are subtracting a negative number from it, which means we are really adding. (Review your rules for negative signs if this doesn't make sense.) So we add 4 to -5, and we get -1. Thus, we get the top choice.
Answer:
A capacitor
Explanation:
Because it can store electric energy when disconnected from its charging circuit. Commonly used in electronic devices to maintain power supply while batteries change.
Hope this helps! :)
The answer is “Impulse acting on it” according to the impulse-momentum theorem.
Answer:
1 Acetaldehyde C2H4O
2 Acetamide C2H5NO
3 Acetic acid CH3COOH
4 Acetone C3H6O
Explanation: These are the only ones I know
Answer:
<u>b) The Energy Output is 4.50e-16 J/s</u>
Explanation:
From Plank's Law:
E = n h υ
where,
E = Total Energy
n = No. of Photons = 324 /sec
h = 6.63 x 10⁻³⁴ J.sec
υ = frequency of light = speed of light / Wavelength
υ = (2.998 x 10⁸ m/s)/(143 x 10⁻⁹ m)
υ = 2.096 x 10¹⁵ /sec
Therefore,
E = (324 /sec)(6.63 x 10⁻³⁴ J.sec)(2.096 x 10¹⁵ /sec)
E = 45.03 x 10⁻¹⁷ J/s
<u>E = 4.50 x 10⁻¹⁶ J/s</u>
Hence, the correct answer is:
b) <u>The Energy Output is 4.50e-16 J/s</u>
