A ball is thrown up with an initial velocity of 8 m/s and initial height of 1.5m above the ground. Calculate the maximum height the ball reaches and the time it takes to get there.
Travelling upwards
u = 8m/s v = 0 m/s a = -9.8m/s S = ? t = ?
v = u + at v2 = u2 + 2a(S - 1.5)
0 = 8 -9.8t 0 = 64 + 2*(-9.8)*(S - 1.5)
9.8t = 8 19.6*(S - 1.5) = 64
t = 0.816s (3.sf) S - 1.5 = 3.265m
S = 4.765m (3.sf)
ES
Related Physics A Level answers
All answers ▸What is the mathematical relationship between the frequencies of musical notes that we perceive identical, but at different octaves?
Why is the classical model of light insufficient in explaining the photoelectric effect?
2 Capacitors (c1 = 500mf) and (c2=300mf), are connected in parallel to a 10v d.c supply. Calculate the total capacitance of the circuit, and hence the total energy stored in the capacitors.
What is simple harmonic motion?