A car is being driven along a straight stretch of road with a velocity of 20.0 m/s, 70.0 m ahead a young child ran onto the road and fell over. Given that the driver's reaction time was 0.5 secs and that the car can decelerate at 4.00 m/s^2, was the driver able to stop in time or did they have...
The annoying sound from a mosquito is produced when it beats its wings at the average rate of 600 wingbeats per second.
a) What is the frequency of the sound wave?
b) What is the wavelength?