A person sees in the distance a lightning bolt pass close to a low flying airplane. The person hears thunder 4.9 sec after seeing the bolt, and sees the airplane overhead 13s after hearing the thunder.
Find the distance of the airplane from the person at the instant of the bolt ( Neglect the time it takes the light to travel from the bolt to eye. The speed of sound in air is 1100ft/sec.)
Answer in units of feet.
Assuming the plane travels with a constant speed towards the person, find the velocity of the airplane.
Answer in units of ft/sec.
Find the distance of the airplane from the person at the instant of the bolt ( Neglect the time it takes the light to travel from the bolt to eye. The speed of sound in air is 1100ft/sec.)
Answer in units of feet.
Assuming the plane travels with a constant speed towards the person, find the velocity of the airplane.
Answer in units of ft/sec.