Ask a New Question

Asked by carrie

Ann is driving down a street at 50 km/h. suddenly a child runs into the street. if it takes ann .75 seconds to react and apply the brakes. how many meters will ann have moved before she begins to slow down? If she slows down at a rate of 1.5m/s^2, how long will it take her to stop?
9 years ago

Answers

Answered by bobpursley
change 50km/hr to m/s
50km/hr*1hr/3600sec*1000m/km

then distance=speed*time

time to stop:
vf=vi+at where a=-1.5m/s^2, vf=0, vi is above speed in m/s
9 years ago

Related Questions

Ann is driving down a street at 58 km/h. Suddenly a child runs into the street. If it takes Ann .71... Ann is driving down a street at 59 km/h. Suddenly a child runs into the street. If it takes Ann 0.... Ann is driving down a street at 58 km/h. Suddenly a child runs into the street. If it takes Ann 0.... every 20m along a street there are lamppost from beginning to end. a) the street is 800m long. H... Eco-driving is a driving strategy that reduces your impact on _____ while saving you money and makin... ames house C Street A Street 2 miles Sarah house B Street 1.5 miles Which statement is true... You are driving down the street and your car stalls. The first thing you should do is to put your ca... A street is 2 miles B street is 1.5 miles C street is ??? miles Which statement is true about...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use