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Faut-il légaliser le cannabis? Quels sont les avantages et les inconvénients?

Premièrement, il faut qu'on commence en dirant que les drogues ont toujours fait partié de la societé, et qu'elles ne vont pas disparaître dans un avenir très proche. Je crois que beaucoup de gens fument par...
TB
Answered by Tom B. • French tutor
3204 Views

theta = arctan(5x/2). Using implicit differentiation, find d theta/dx.

First, we must rearrange to give 2tan(θ) = 5x. Differentiate both sides with respect to x: 2sec 2 (θ)dθ/dx = 5 Use identity sin 2 (θ) + cos 2 (θ) = 1, dividing through by cos 2 (θ), to get 2(1+tan 2 (θ))dθ/d...
CW
Answered by Callum W. • Maths tutor
4717 Views

How do I remember what grammatical gender nouns have?

It is essential to know what grammatical gender german nouns possess as these will determine the endings of articles and adjectives of the sentences we create. As a result I would always suggest that every t...
SS
Answered by Stefania S. • German tutor
2047 Views

Explain why chlorine has a lower boiling point than Bromine. (2 marks)

Chlorine molecules are smaller than bromine molecules in size, therefore, the van der Waals forces (intermolecular forces) are weaker between Cl2 molecules than compared to Br2 molecules.
JB
Answered by Joseph B. • Chemistry tutor
13142 Views

Bob sprints down a 100 metre track as fast as he can and as he arrives at the finish, a light gate cuts a timer that has been active since Bob began his sprint. It reads 12.45 seconds. calculate Bobs average speed during the sprint.

s=distance/time = 100/12.45 =8.03m/s
RW
Answered by Richard W. • Maths tutor
3186 Views