Determine a vector expression for the position of a particle whose velocity is (3t^2 - 8)i + 5j m/s.
r(t) = [integral] v(t) dt
= (t^3 - 8t + C)i + (5t + C)j m
MT
Related Physics A Level answers
All answers ▸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?
A wire has length l, cross-sectional area a, resistivity p and resistance R. It is compressed to a third of its original length but its volume and resistivity are constant. Show its new resistance is R/9.
A ball is kicked from a tower (50m) at a speed of 20m/s. How far away does the ball hit the ground?
Draw the I-V curves of both an ideal resistor and a filament bulb. Explain the key features of both.