Answer:
average speed = 18 miles / hour
Explanation:
Given data
drive = 396 miles
time = 8 am Tuesday to 5 pm Wednesday = 33 hours
lunch = 30 min Tuesday + 30 min Wednesday = 60 min = 1 hour
sleep = 7 pm Tuesday to 5 am Wednesday = 10 hours
to find out
average speed
solution
we know that he take total time = 33 hours and he took rest + luch = ( 1 + 10 hours)
so total travel time is = 33 - 11 = 22 hours
so
average speed = distance / time
average speed = 396 / 22
average speed = 18 miles / hour
Answer:
the air has to be unstable as well as it needs to be moved upwards.
Explanation:
it needs to be moved upwards and also needs to have unstable air.
The spring has been stretched 0.701 m
Explanation:
The elastic potential energy of a spring is the potential energy stored in the spring due to its compression/stretching. It is calculated as

where
k is the spring constant
x is the elongation of the spring with respect to its equilibrium position
For the spring in this problem, we have:
E = 84.08 J (potential energy)
k = 342.25 N/m (spring constant)
Therefore, its elongation is:

Learn more about potential energy:
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Answer:
A. A coil of wire with current running through it