Homework Statement
in a final burst of energy near the end of a bike race, Julia accelerates at 0.32 m/s^2 north for 15 s, attaining a final speed of 18.6 m/s south. what was Julia's initial velocity and how far did she travel while accelerating?
The Attempt at a Solution
In this case I think...
What's Uniform acceleration??
Can anybody please tell me or explain to me an easy way of what uniform acceleration is? I don't understand what my teacher is telling us!:cry:
Homework Statement
When a car is being tested, it also has a braking test done/ In one such test a car took 3.0 s to stop from 40 m/s. Calculate a) the braking distance b) the deceleration
The Attempt at a Solution
first off i'm not sure how to find the braking distance and what...
1. Homework Statement
hi this is the problem: the burning of the second stage of a two stage toy rocket takes the rocket from 12 m/s to 40 m/s in 5.0s. How far does the rocket during this time?
2. Homework Equations
would i use delta t= delta v/a ? would the given info be.. delta v1=...
Im not sure if this is the correct formula for this question, plz corect me
Homework Statement
hi this is the problem: the burning of the second stage of a two stage toy rocket takes the rocket from 12 m/s to 40 m/s in 5.0s. How far does the rocket during this time?
Homework Equations...
Homework Statement
Swati was driving her car over the speed limit when an oncoming car car flashes its lights warning her of a radar trap ahead. She decelerates from 39 m/s to 27 m/s in 6.0 s. What deceleration did her brakes apply?
- im not sure what formula to use so does anyone have a...