Answer:
Random Motion is a motion in which an object didn't go in a straight manner, for ex: zig zag lines, curved, etc.
Explanation:
Answer:
C and D
Explanation:
Its possible to use telescopes during the day time.
Gamma rays were found on earth's atmosphere.
We can use the formula Vf^2= Vi^2 + 2ad.
So,
Vi = 0 since we are dropping the object
Therefore,
Vf^2 = 2 (9.8) (49)
You can do the calculator work.
Answer:
option (c)
Explanation:
The frequency ranges for infrasonic is below 20 Hz.
The frequency ranges for audible is 20 Hz to 20000 Hz.
The frequency ranges for ultrasonic is above 20000 Hz.
So, infrasonic have frequency below the audible range. We cannot hear this frequency.
Two waves have the same direction of displacement
