Answer:
108 km
Explanation:
The conversion factor between meters and feet is
1 m = 3.28 ft
So the second altitude, written in feet, can be rewritten in meters as
or in kilometers,
the first altitude in kilometers is
so the difference between the two altitudes is
Work = force x distance
= 100N (force) x 0.5m (distance)
= 50J
Answer:
Explanation:
Given
Power Supplied [/tex]
Efficiency of the motor
and
So, vacuum cleaner delivers a power of