Answer:
1.5
Explanation:
From the question ,
velocity v= 2.0m/s
Time t = 0.75secs
Distance =?
Velocity = distance/ time
2.0 = d/0.75
Crossmultipy
d = 2.0 x 0.75
= 1.5m
Answer:
16 2/3 hr
Explanation:
250 000 km / 15 000 km/hr = 16 2/3 hours
Two ways the Doppler effect can be applied to every day life is...
1. The pitch of an Ambulance Siren shifts as it passes you.
<span>2. A cop's radar gun using radiation waves to find out how fast your going as you confused I-85 with the speed limit</span>