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first the second term can be split up to make integrating it easierits easier if the x3 component is separatedthis eventually simplifies the second term to (-1/4) * x-3so now the que...
Consider the appropriate equation of motion to solve this (use SUVAT method). The equation v^2=u^2+2as is appropriate to solve. Substituting in the knowns gives v=+sqrt(29.8150)=31.32 wh...
Key idea - total angular momentum of the system is conserved. Before the collision: angular momentum of earth is given by LE=IwE, here wE is the angular velocity of Ea...
for this question we must consider the conservation of momentum law which states that the total momentum in a system before a collision must equal the total momentum in a system after a collision where mo...
This is a standard A-level particle physics question. To solve it, we need to use three equations given in the formula sheet of the paper. To find the energy of the photon, we use Einsteins famous energy-...
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