2
1
0
3
Correct answer is D
Let the extension be E and the tension be T.
Then E∝T
E=kT
when T = 8N, E = 2cm
2=k×8
k=28=0.25
∴
when T = 12N, E = 0.25 \times 12 = 3cm
Express the product of 0.0014 and 0.011 in standard form ...
The angles of a quadrilateral are (x + 10)o, 2yo, 90o and (100 - y)o, Find y in terms of x...
Simplify \frac{4}{x+1}-\frac{3}{x-1} ...
A trader bought 100 oranges at 5 for N40.00 and 20 for N120.00. Find the profit or loss percent ...
A sector of circle of radius 7.2cm which substends an angle of 300^o at the centre is used to fo...
When a number is subtracted from 2, the result equals 4 less than one-fifth of the number. Find...
The value x in the figure given is ...
If cos \theta = x and sin 60o = x + 0.5 0o < \theta < 90o, find, correct to the nearest degr...