0.179km
0.357km
3.150km
6.300km
12.600km
Correct answer is D
No explanation has been provided for this answer.
A body accelerating will have a constant speed if it is
falling from a height
in equilibrium
moving in a circular path
moving in a straight line
oscillating
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about water is NOT correct?
Pure water freezes at 0°C under normal pressure
The volume of a given mass of water at 0° is less than its volume at 4°C
Water boils at a definite temperature
Water evaporates at all temperatures
Water has its maximum density at 4°C
Correct answer is B
Water has its least volume and highest density at 4°C
Daniel cell
Dry Leclanche cell
Nickel-iron accumulator
Voltaic cell
Wet Leclanche cell
Correct answer is C
No explanation has been provided for this answer.
\(\frac{R}{4}\)
\(\frac{R}{3}\)
\(\frac{R}{2}\)
2\(\frac{R}{3}\)
R
Correct answer is A
No explanation has been provided for this answer.