Answer: 96.138 J
Explanation:
Use equation for potential gravitational energy : Ep=mGh
Ep1=mGh1
Ep2=mGh2
-------------
Ep1= 3.5*9.81*1.2
Ep1=41.202 J
Ep2=3.5*9.81*4
Ep2=137.34 J
Ep=Ep2-Ep1
Ep=137.34-41.202
Ep= 96.138 J
Answer:
Please see below as the answer is self - explanatory
Explanation:
a) 10³ = kilo (kilogram = 10³ grams, kilometer= 10³ meters)
Symbol : k.
b) 10⁻² = centi (it is the 100th part of a unit, like centimeter, or centigram) Symbol: c.
c) .1 = deci (it is the tenth part (deci comes from the word that means "ten"in latin) of a unit: decimeter, decigram)
Symbol: d.
d) 10⁻3 = mili (it is a 1000th part of a unit: milimeter, miligram), the name comes from the word used in latin to mean "one thousand".
Symbol: m
e) 1,000,000 = 10⁶ = mega (megawatt)
Symbol: M
f= 0.000001 = 10⁻6 = micro (micrometer, microsecond),
Symbol: μ.
Answer:
ΔV = 78 V
Explanation:
The potential at a point due to a point charge is given as:
where,
V = Potential at the point
k = Colomb's Constant = 9 x 10⁹ Nm²/C²
q = charge = 3.25 x 10⁻⁹ C
r = distance
AT POINT A:
AT POINT B:
Now, the potential difference will be:
<u>ΔV = 78 V</u>