Thursday
March 23, 2017

Post a New Question

Posted by on Friday, September 30, 2011 at 8:33pm.

An experimental rocket car starting from rest reaches a speed of 560 km/h after a straight 450 m run on a level salt flat. Assuming that acceleration is constant, answer the following questios.
(a) What was the time of the run?
Your answer is incorrect. s

(b) What is the magnitude of the acceleration?
m/s2

  • physics - , Friday, September 30, 2011 at 8:37pm

    change km/hr to m/s

    distance=avgvelocity*time

    450km/hr*1hr/3600sec * 1000m/km=125m/d

    time=450m/125m/s= 3.6 seconds.

    a= 125/3.6 m/s^2

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question