Top answers

All subjects
All levels

An object's displacement, s metres, from a fixed point after t seconds is s=5t^3+t^2. Find expressions for the object's velocity and acceleration at time t seconds.

Differentiating gives the rate of change and velocity and acceleration are rates of change. Velocity is the rate of change of displacement compared to time and acceleration is the rate of change of veloci...

SS
Answered by Seeitha S. Maths tutor
3930 Views

Explain what causes the Bohr shift to occur, and give one situation in which this is useful.

The Bohr Shift describes the movement of the oxygen dissociation curve to the right of normal. This occurs due to increased levels of carbon dioxide, such as when a person increases their exercise level, ...

DP
Answered by Danielle P. Biology tutor
24946 Views

Interview question: what is your understanding of the life of a doctor?

Like with any other interview question, it is important to be realistic. Split the question in to two : the positives and the negatives. Here, the interviewers are looking to ensure that you have a suffic...

ZC
1335 Views

What effect does temperature have on enzyme action?

Enzymes are biological catalysts and speed up reactions happening inside organisms.
An increase in temperature increases the rate of enzyme activity and therefore rate of reaction up to a certain po...

AG
Answered by Alex G. Biology tutor
5273 Views

How should I structure an essay for English Literature?

Begin with an introduction establishing the question you are answering (including defining any of the terms that you will be focusing on) and what your main argument will be when addressing it. Think of t...

RM
8594 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:

© 2026 by IXL Learning