Answer: D.) 39,200 J
Via the equation of potential energy PE = mgh where m is mass, g is the average gravity on earth and h is the height. In this case m = 400 kg, g = 9.8, h = 10 m thus:
P.E.= 39,200 Joules
A disk with a diameter of 0.05 m is spinning with a constant velocity about an axle perpendicular to the disk and running throug
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Answer:
Explanation:
Deflection in the drop is due to electric field force
so we will have
acceleration of the drop is given as
now we know that time to cross the plates is given as
now the deflection is given as