Nora walks down a street and sees a ball dropped from a building
1 answer:
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Answer:
v = 45.37 m/s
Explanation:
Given,
angle of inclination = 8.0°
Vertical height, H = 105 m
Initial K.E. = 0 J
Initial P.E. = m g H
Final PE = 0 J
Final KE =
Using Conservation of energy
v = 45.37 m/s
Hence, speed of the skier at the bottom is equal to v = 45.37 m/s
Answer:
time = 8.3333 minutes.
Explanation:
distance between earth and sun = 1.5 *
speed of light = 3*
convert the distance unit from km to m so we can have uniform units.
distance between earth and sun = 1.5 *m
distance between earth and sun = 1.5 * m
speed = distance /time
time = distance / speed
time =
time =500 sec
time = 500/60 minutes
time = 8.3333 minutes.