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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 th...

JS
Answered by Joseph S. Physics tutor
9026 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 asp...

CF
Answered by Clemence F. French tutor
24001 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...

ZP
Answered by Zachary P. Maths tutor
16997 Views

Explain the difference between Type 1 and Type 2 reasoning, and whether they cooperate or contradict each other.

Type 1 reasoning is automatic, reflexive, emotional, habitual, low effort and low capacity. It is also quicker and sometimes called the "old mind". Type 2 reasoning is effortful, reflective, cog...

MV
Answered by Merle V. Psychology tutor
14850 Views

Explain what the possible results could be from increasing the Euro/US dollar exchange rate (you are Euro)

When the exchange rate EU/US goes up, (1/5 becomes 1/10) the euro becomes worth less. If they euro is worth less, European products become cheaper to the US, potentially stimulating exports, while US prod...

MV
Answered by Merle V. Economics tutor
2532 Views

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