Top answers

A 12V lamp, 36W is switched on for 1 hour. Find the energy supplied by the battery.

E = P*t = 36 * 3600 = 1.3 * 10 5 J
RA
Answered by Rishabh A. • Physics tutor
4607 Views

Find the determinant of a 2*2 matrix.

[1 -2; -5 -4] determinant = {1 * (-4)} - {-5 * (-2)} = -4 - 10 = -14
RA
Answered by Rishabh A. • Maths tutor
4766 Views

How do I find the roots of a quadratic equation?

A quadratic equation is an equations of the form: ax 2 + bx + c = 0 (1) where a is not 0. The ways of finding the roots are: quadratic formula, factorising, substituting, completing the square. Today, I'll c...
CM
Answered by Catriona M. • Maths tutor
4903 Views

What is globalisation?

Globalisation is the process by which the world is becoming increasingly interconnected . Interconnectivity means that communication throughout the world has led to an increase in trade and cultural exchange...
OB
Answered by Olivia B. • Geography tutor
5061 Views

To what extent do the main macroeconomic objectives conflict?

The five main macroeconomic objectives are balanced trade, a low and stable inflation rate, sustainable economic growth, low unemployment and a fair distribution of income. Some of these macroeconomic object...
RH
Answered by Ryan H. • Economics tutor
11929 Views