Top answers

All subjects
GCSE

A mobile phone falls to the floor. The glass screen shatters while the aluminium frame remains intact. Explain why this happens in terms of the properties of glass and aluminium.

The glass screen is a brittle material so breaks with little plastic deformation.The aluminium material however shows elastic behavior and will, when the force is removed return to the original shape. Thi...

LC
Answered by Lewis C. Physics tutor
2948 Views

Explain why the rate of reaction slows down above the enzyme's optimum temperature.

Chemical reactions occur faster at higher temperatures since at higher temperatures the enzyme is more likely to bump into the substrate more often and with a higher energy than at a lower temperature. Th...

YI
Answered by Yasmin I. Biology tutor
22133 Views

What is 16^(3/2)

The rule for simplifying indices is to take them one at a time, so separate the problem into 16^(1/2)^3, which is 4^3, which is 64.

JB
Answered by Jonah B. Maths tutor
4508 Views

Describe and explain the formation of an oxbow lake. (6 marks)

Oxbow lakes are most commonly found in the middle course of the river, where the river has more energy and higher discharge. A meander is first formed due to a balance of erosion and deposition. Helicoida...

MM
Answered by Misbah M. Geography tutor
4640 Views

Let a = 4b + 5(c - b). Find the value of c when a = 8 and b = 7.

a = 4b + 5(c - b) - question8 = (4*7) + 5(c - 7) - insert values given in question8 = 28 + 5c -35 - multiply and expand brackets8 - 28 + 35 = 5c - take away 28 from the left and right-hand side of the equ...

GH
Answered by George H. Maths tutor
4208 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