Answer:
We obtain the average velocity instead of the instantaneus velocity.
Explanation:
The problem with calculating speed in this way is that an average speed is being calculated and not an instantaneous speed at a given point.
To calculate the instantaneous speed, a very small space interval must be measured at a given time.
Answer:
wavelength is equivalent to the velocity divided by the frequency
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1 angstrom = 10^-13 km
500 angstrom = 500 x 10^-13 km = 5 x 10^-11
Answer:
Since F = G * m1 * m2 / r^2
F = 6.67 * 19E-11 * 2.79 * 9.47 * 10E23 / (1.2 * 10^7)^2
F = 126 * 10E-2 N = 1.22 N
