Thursday
December 18, 2014

Homework Help: physics

Posted by seanso on Sunday, January 22, 2012 at 11:25pm.

A truck on a straight road starts from rest and accelerates at 2.0 m/s2 until it reaches a speed of 20 m/s. Then the truck travels for 20 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.0 s.
(a) How long is the truck in motion?
s

(b) What is the average velocity of the truck during the motion described?
m/s

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A truck on a straight road starts from rest and accelerates at 3.0 m/...
Physics - A truck on a straight road starts from rest, accelerating at 2.00 m/s2...
physics - A truck on a straight road starts from rest, accelerating at 2.00 m/s2...
College Physics!!! - A truck on a straight road starts from rest accelerating at...
Physics - A truck on a straight road starts from rest and accelerates at 2.8 m/s...
physics - Q2. A box rests on the (frictionless) bed of a truck. The truck driver...
Physics - Read each statement below. For each situation, calculate vi, vf, pi, ...
physics - An object is shot from the back of a truck moving at 40 km/h on a ...
physics - A person riding in the back of a pickup truck traveling at 60km/h on a...
physics, dynamics - Car A starts from rest at t = 0 and travels along a straight...

Search
Members