Top answers

If I throw a ball vertically upwards with a velocity of 15 m/s and we assume the gravitational acceleration is 10 m/s^2. Draw the distance-time, and velocity-time graphs, how long is the ball in the air before it returns to the point I threw it from?

We will need a SUVAT equations, so first fill in what information we have:S = 0 (the point where the ball returns to the start)U = +15 m/sV = -15 m/s (from graph)A = -10 m/s (important that this is the oppos...
BF
Answered by Barnaby F. • Maths tutor
4243 Views

Why does Oedipus suffer so much in Sophocles' Oedipus Tyrannus?

That Oedipus is subjected to so much suffering during the course of the play has been a subject of much interest to it’s many commentators: the protagonist undergoes blindness, hears a graphic depiction of t...
EG
10748 Views

Outline three ways in which school may mirror work in capitalist society.

Schools and work both have hierarchical structures. In school, the headteacher has the most control/power, whereas the students have the least control/power. This is mirrored at work in capitalist society as...
LJ
Answered by Lucy J. • Sociology tutor
18240 Views

How is blood glucose controlled in homeostasis?

Blood glucose increases and gets too high, this is detected by beta cells in the Islet of Langerhans. Increase in insulin secretion, this speeds up the rate of glucose uptake by tissue cells. Glucose gets tu...
MA
Answered by Mustafa A. • Biology tutor
3399 Views

How can we explain the standing waves on a string?

When a wave reaches the end of a string, it is reflected and inverted, so in a fixed string in which we've caused vibrations, such as a guitar string, we have two sinusoidal waves travelling in opposite dire...
BA
Answered by Boris A. • Physics tutor
3260 Views