Answer:
Explanation:
b) Gravity reduces the initial upward velocity to zero in a time of
t = v/g = 40/10 = 4 s
a) h = v₀t + ½gt² = 40(4) + ½(-10)4² = 80 m
or
v² = u² + 2as
h = (0² - 40²) / 2(-10) = 80 m
Answer:
Negative
Explanation:
If the box is heading right in the positive direction, the work will be negative. The spring has an opposite force to that of the box.
Hope this helped. :)
On a Fahrenheit thermometer, the gas becomes 18 degrees warmer.
Feet and inches or millimeters or centimeters or meters or miles or kilometers
The first organisms to live within a newly created patch of land are the Pioneer Species.
