Tuesday
July 22, 2014

Homework Help: math(mechanics 1)

Posted by maha on Sunday, March 4, 2012 at 1:06pm.

a car traveling on a straight road accelerates uniformly at a meter per second square from its initial speed of 20 meter per second until it reaches a speed of 30 meter per second. the car travels at this speed for 600 meter and then decelerates uniformly at 0.5a meter per second square until it comes to rest.show that the time spent decelerating is six times as long as the time spent accelerating. the total distance traveled by the car from time t=0 until it comes to rest in 2900 meter. find the time for which the car is accelerating.find the value of a. find the speed of the car 40 second before it comes to rest.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - a car traveling on a straight road at 20 meters per second accelerates to...
physics - A car is originally traveling at 15.0 meters per second on a straight ...
science - An elevator in a high rise building accelerates and decelerates at the...
calculus HELP! - An elevator in a high rise building accelerates and decelerates...
Help! Calculus - An elevator in a high rise building accelerates and decelerates...
Science ~CHECK ANSWERS PLEASE~ - #1. Kilometers per hour describes the speed of ...
math - Suppose that you are responsible for predicting the cost of constructing ...
Physics - 1. A car starts from rest and accelerates uniformly at 3.0 m/s2. A ...
math - A flat stone is thrown horizontally across a frozen lake. If the stone ...
Physics - at each pulse of a simplified model of a mammalian heart, about 40 ...

Search
Members