Top answers

All subjects
A Level

How can I measure the orbital period of a satellite around Earth?

In order to find the orbital period of a satellite around earth, you must understand the forces at play in this situation. You must equate the two radial forces acting on the satellite - these are Newton'...

AE
Answered by Alexander E. Physics tutor
3847 Views

How significant was the 1933 Reichstag fire in consolidating Nazi power?

The Reichstag fire was just one of the factors that contributed to the consolidation of Nazi power. It was significant in that it gave the Nazis the excuse they needed to gain control over their political...

PL
Answered by Philippa L. History tutor
18056 Views

How do I find the vector/cross product of two three-dimensional vectors?

Finding the cross product of two 3D vectors uses a very similar method to that of finding the determinant of a 3x3 matrix.

So, to find the cross product, just follow these simple steps:

    LM
    6546 Views

How is a nerve impulse transmitted across a synapse?

A synapse is gap between two neurones. When a nerve impulses travels along the axon reaches the end of the pre-synaptic neurone, the release of chemical messengers (called neurotransmitters) is triggered....

MD
Answered by Marina D. Biology tutor
13225 Views

Express 4 sin(x) – 8 cos(x) in the form R sin(x-a), where R and a are constants, R >0 and 0< a< π/2

4 sin(x) – 8 cos(x)= Rsin(x-a) here use double angle formula

4 sin(x) – 8 cos(x)= Rsin(x)cos(a)-Rcos(x)sin(a) Rearrange so in same format as LHS

4 sin(x) – 8 cos(x)= Rcos(a)sin(x)-Rsin(a)cos...

SE
Answered by Simon E. Maths tutor
24732 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