2. Floyd Beattie set an unofficial speed record for a Floyd Beattie set an unofficial speed record for a unicycle in 1986. He rode the unicycle through a 200 m speed trap and accelerated at a constant rate along the speed trap, so that his initial speed was 9.78
m/s and his final speed was 10.22 m/s. What would the magnitude of his acceleration have been?

Explanation:

Given

v = 10.22m/s

u = 9.78m/s

S = 200m

Using the equation of motion'

v² = u² + 2aS

v is the final velocity

u is the initial velocity

a is the acceleration

S is the displacement

Substitute the given parameters into the formula:

10.22² = 9.78² + 2a(200)

104.4484 = 95.6484 + 400a

400a = 104.4484 -95.6484

400a = 8.8

a = 8.8/400

a = 0.022m/s²

Hence the magnitude of his acceleration would have been 0.022m/s²

v 154.9= 0.9 length length s little over 154.9cm

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide