You are so nervous after the police car passes you that you

Reference no: EM13640085

You are driving along a highway at 28.8 m/s when you hear a siren. You look in the rear-view mirror and see a police car approaching you from behind with a constant speed. The frequency of the siren that you hear is 1300 Hz. Right after the police car passes you, the frequency of the siren that you hear is 1298 Hz.

(a) How fast was the police car moving?

(b) You are so nervous after the police car passes you that you pull off the road and stop. Then you hear another siren, this time from an ambulance approaching from behind. The frequency of its siren that you hear is 1344 Hz. Once it passes, the frequency is 1200 Hz. What is the actual frequency of the ambulance's siren?

Reference no: EM13640085

Questions Cloud

Find the critical speed when the trailer is traveling over : the springs of an automobile trailer are compressed 10.6 cm under its weight. find the critical speed when the trailer

A set of 200 independent patients take antiacid medication : a set of 200 independent patients take antiacid medication at the start of symptoms and 80 experience moderate to

A flammable gas made up only of carbon and hydrogen is : a flammable gas made up only of carbon and hydrogen is found to effuse through a small hole in 1.50 min. under the same

Determine the entropy production rate as 500 lbms of : determine the entropy production rate as 5.00 lbms of saturated water vapor at 14.696 psia is condensed isothermally

You are so nervous after the police car passes you that you : you are driving along a highway at 28.8 ms when you hear a siren. you look in the rear-view mirror and see a police car

With this launch angle a skier attains a height of 11 m : the 1994 winter olympics included the aerials competition in skiing. in this event skiers speed down a ramp that slopes

A b c and d are taking goal shots in soccer they take shots : a b c and d are taking goal shots in soccer. they take shots in the order a b c d then repeat. by going in this order

During a work-up we are asked to interrupt vacuum drizzle : during a work-up we are asked to interrupt vacuum drizzle cold methanol over the crude product then reestablish vacuum.

Draw a vector diagram that illustrates the direction that : a commercial aircraft is going from jfk airport in new york city to ohare airport in chicago at a cruising speed of

User Account

All Pages