Recent content by Luca169

0 m/s = 15.55 m/s + (-3.00m/s²)(Δt) -15.55m/s/-3.00m/s=(Δt) (Δt)=5.183 Δd=15.55m/s(5.183s)+1/2(-3.00m/s²)(5.183s)² Δd=40.3m 65m - 40.3m = 24.7m/15.55m/s= 1.58 s? This is about two decimal places off from the given answer (1.56) however, is the procedure correct?

0 = (-1.5m/s²)(Δt)² + (16m/s)(Δt) - 65m X1= 5.3 X2 = 5.3 That's not the answer I'm supposed to be getting.. What have I done wrong?

Homework Statement A man is driving at 56.0 km/h [N]. Suddenly, a boy stumbles on the road 65 m ahead of the car. After t seconds the driver finally decides to hit the brakes, which then produces an acceleration of 3.00 m/s² [S]. What is the maximum reaction time allowed if the driver is to...

No No, I got the right answer, thanks again!

I think you don't need the mass because when you are determining the final speed, you will divide by the mass, which you multiplied by when finding the gravitational potential energy, so they will cancel out?

Not exactly, so I would set say x as the mass, and continue on from there? Apparently, there is a definite answer to this problem, the answer being 24.2 m/s. :| After plugging x into the equation, I did indeed get 24.2 m/s as my answer. Is this procedure correct? I replicated my steps...

[SOLVED] Conservation of Mechanical Energy Homework Statement A ride at a generic amusement park starts off by swinging like a simple pendulum until its amplitude becomes so great that it swings completely around. If the diameter of the circle is 30.0 m, what speed must the ship have at...