Answer:
(a) 72.9 kg
Explanation:
Before the elevator starts to move, only gravitational force exerts on the man, this force is generated by the man mass and the gravitational acceleration, which in turn register in the scale. So the scale would probably indicate the man mass, which is 72.9 kg.
Answer:
5.0 km/h = 5.0 km/60min
speed = distance/time
distance = speed x time = 5.0km/60min x 19min = 1.6km
Explanation:
An optical telescope is an instrument that collects and enlarges objects from a distance. Hope this helps. Hope this helps. (∩︵∩)
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Answer:>
Explanation:
All ionic compounds have high melting and boiling points
Sounds that have the same pitch and loudness can be differentiated by intensity and tone.
