Ask a New Question

Question

a car traveling initially at +7.0 m/s accelerates uniformly at the rate of +0.80m/s2 for a distance of 245 m. what is its velocity at the end of the acceleration?
14 years ago

Answers

Steve
Just get out your good old

v = at
s = 1/2 at^2

formulas and work with them a bit.

We want to find out how long it will take to go 245m under acceleration.

245 = 7t + .4t^2
t = 17.5 sec

v = 7 + .8*17.5 = 21.0 m/s
14 years ago

Related Questions

A car initially traveling at 33.4 m/s undergoes a constant negative acceleration of magnitude 1.80 m... A car is initially traveling at 5 m/s when its begins its ascent up a 30 degree incline.how far up d... A car traveling initially at 7.41 m/s accelerates at the rate of 0.752 m/s 2 for 2.74 s. What is... A car is initially traveling at 20 m/s when it accelerates to 35 m/s in a time of 5 seconds. What is... A car initially traveling at 26 m/s hits the brakes, generating a constant acceleration of -2 m/s2.... A car is initially traveling due north at 24.0 m/s. A.) find the velocity of the car after 4.00 sec... A car traveling initially at +5.7 m/s acceler- ates uniformly at the rate of +0.79 m/s2 for a di... A car traveling initially at 5.47 m/s accelerates at the rate of 1.65 m/s/s for a time of 9.06 s. W... 1. A car, initially traveling east with a speed of 5.0 meters per second, is accelerated uniformly a...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use