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A projectile is fired at an angle of 30 degrees from the horizontal, it reaches a maximum height of 12m above the ground before coming to rest 600m from its initial starting point at the same level. What is the initial speed of the projectile?

At first glance this question seems require solving in several steps, splitting horizontal and vertical components, taking a value for time from the motion under constant acceleration and then applying this ...
JS
Answered by Joseph S. • Physics tutor
9809 Views

Comment la télévision peut avoir un aspect positif autant que négatif ?

Tout d'abord la télévision est un moyen technologique qui a permis de changer la vie familiale et l'ouverture sur le monde. Dans un premier temps nous pouvons affirmer que la télévision a eu un aspect positi...
CF
Answered by Clemence F. • French tutor
24891 Views

integrate [xe^(-x)] with respect to x.

integrating a product of functions of x - integration by parts. integral of uv' = uv - integral of u'v. choice of u from LIATE - logs, inverse trig, algebra, trig, exponentials - choose u=x. u=x, v'=e^(-x). ...
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Answered by Zachary P. • Maths tutor
18302 Views

How do I form the imperfect subjunctive/conditional sentences?

Follow the following structure: Si + imperfect subjunctive +conditional phrase: This structure explains an action that could happen if the circumstances of something were a certain way: e.g. If I could, I wo...
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Answered by Nikol N. • Spanish tutor
6374 Views

What are common A*/higher level phrases/fillers I can use in my speaking exam?

The Spanish speaking exam has to demonstrate strong content, and vocabulary, so my first suggestion would be to revise bullet points with good vocabulary on all the topics that might come up. Reading article...
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Answered by Nikol N. • Spanish tutor
45321 Views