Since, F = k . ∆x
Therefore, k = F / ∆x = 250 / 0.2 = 1250 N/m
(ps: convert 20 cm into 0.2 m)
Answer:
2.345 would be the most precious because you have more numbers to work with and exact numbers
Answer:
B
Explanation:
The correct option for the question is B that is salt water. In salt water, the density of water is higher so the pressure at the end of tube containing salt water will be greater. As according to the hydrostatic law the pressure at a given point will be directly proportional to the distance travelled as well.
A - 3
B - 1
C - 2
D - 4
E - 5
The correct answer is :
B. the value of q is positive.
Hope this helps,
Davinia.
