ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
2 answers:
Answer:
3.8 x 10¹⁷ in
Explanation:
Light speed= 982,080,000 ft/s
year(time)= 32,000,000 seconds
converting ft/s to in/s for the speed of light:
1ft/s = 12 in/s
982,080,000 ft/s x 12in/s = 11,784,960,000 in/s ( speed of light in inches)
using the standard formula for speed:
V=
Distance( inches)= V (speed in/s) x Time (seconds)
Distance = 11,784,960,000 x 32,000,000
Distance≅ 3.8 x 10¹⁷ in
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Answer:
The time is 5.71 sec.
Explanation:
Given that,
Acceleration
Initial velocity = 24.0 m/s
We need to calculate the time
Using equation of motion
v = u+at[/tex]
Where, v = final velocity
u = inital velocity
t = time
a = acceleration
Put the value into the formula
Hence, The time is 5.71 sec.