Recent content by 5minutes

Homework Statement A daredevil is shot out of a cannon at 33.7◦ to the horizontal with an initial speed of 25.5 m/s. A net is positioned at a horizontal distance of 43.7 m from the cannon from which the daredevil is shot. The acceleration of gravity is 9.81 m/s^2 At what height above the...

I'm not too sure on how to apply the signif. number rule; could you please elaborate

Homework Statement If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 seconds had elapsed? (ignore air resistance) a) -2.0 * 10^1 m/s b) 2.0 * 10^2 m/s c) 35 m/s d) -35 m/sHomework Equations vf = vi + g∆t vf = final velocity vi = initial...