You can make a smoothie in a blender with a power of 400 watts and an efficiency of 85 percent. How much energy is actually bein
g used to make the smoothie in 30 seconds?
1 answer:
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Explanation:
It is given that,
Velocity in East,
Velocity in North,
(a) The resultant velocity is given by :
(b) The width of the river is, d = 80 m
Let t is the time taken by the boat to travel shore to shore. So,
t = 16 seconds
(c) Let x is the distance covered by the boat to reach the opposite shore. So,
x = 48 meters
Hence, this is the required solution.