Top answers


When do you use the subjunctive form?

The subjunctive (le subjonctif) is a mood that is used to express: desire, uncertainty, probability, and other subjective feelings about a situation. It is formed by regular and irregular verbal conjugation ...
IR
Answered by Isabella R. French tutor
1927 Views

Two trains are heading in opposite directions on the same track. Train X has a mass of 16000kg and a speed of 2.8m/s. Train Y has a mass of 12000kg and a speed of 3.1m/s. At what speed do the joined trains move off together immediately after the collison?

Remembering that if the velocities are in different directions they have different signs:Total momentum before=Total momentum afterMomentum=mass x velocityTotal momentum before= (16000x2.8)+(12000x(-3.1))=76...
CJ
Answered by Carys J. Physics tutor
1976 Views

Describe consecutive stages to Mitosis.

Mitosis is the way how all cells (apart from the gametes - the ones associated with reproduction) divide. Produces 2 identical copies of the cells (known as daughter cells), which have exactly the same DNA.I...
SE
Answered by Sofia E. Biology tutor
3398 Views

Suggest how a wood mouse maintains a constant body temperature when in a cold environment?

Thermoreceptors in the skin and hypothalamus detect low temperature and send impulses to the heat gain centre inthe thermoregulatory center in the hypothalamus. This heat gain centre sends out impulses to th...
AS
Answered by Akshi S. Biology tutor
3601 Views

z = 5 - 3i Find z^2 in a form of a + bi, where a and b are real constants

z^2 = (5-3i) = 25 - 30i + 9i^2Since i^2 = -1 => z^2 = 16-30i
AM
Answered by Adam M. Maths tutor
3300 Views