Top answers

All subjects
All levels

Why does an ice skater spin faster when they hold in their arms?

  •  This phenomena is a result of the conservation of angular momentum: An isolated system's rotational intertia does not change. 

  • Angular momentum is given mathematically by

    GL
    Answered by George L. Physics tutor
    2455 Views

What was the short term significance of tanks and their usage in World War One?

The tank’s significance in World War One was primarily in its effect on the morale of people both on the front lines and at home. This psychological boost to the war effort came at a time when many were b...

AY
Answered by Alex Y. History tutor
14770 Views

Describe the 3 types of solution to a quadratic equation

  • The behaviour of the solution depends on the value of the discriminant, D = b2 – 4ac, (aptly named as it allows you to discriminate between solutions)

  • ...
GL
Answered by George L. Maths tutor
3337 Views

What is the difference between a competitive and a non-competitive inhibitor?

Inhibitors are molecules that stop substrates from being able to bind to their enzymes, and therefore inhibit the action of specific enzymes. A competitive inhibitor is an inhibitor which has a si...

SC
Answered by Sreya C. Biology tutor
21209 Views

For which values of x is the following inequality satsified: x^2 + 6x + 6 < 1

(I assume I can use the whiteboard in an actual lesson/interview)

So this question might seem quite simple, and maybe it is, but this type of question can catch many students out. The first step is...

NH
Answered by Nabeel H. Maths tutor
3316 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning