Respuesta :
both are not equivlant to the top speed of the model plane because caculator op.
Answer:
Option C and D are equivalent to the speed of the model plane
Step-by-step explanation:
Distance = 330 feet
Time = 15 seconds
Speed of airplane = [tex]\frac{Distance}{Time} =\frac{330}{15} feet / sec.[/tex]
Convert it into miles per hour
1 feet = 0.000189394 miles
3600 seconds = 1 hour
So, 1 second = [tex]\frac{1}{3600}hours[/tex]
Speed of airplane in miles /hr = [tex]\frac{330}{15} \times \frac{0.000189394}{\frac{1}{3600}} [/tex]
Speed of airplane in miles /hr = [tex]15.0000048[/tex]
So, Speed of airplane in miles /hr is 15 miles per hour
Convert speed into feet per minute
60 seconds = 1 minute
[tex]1 minute = \frac{1}{60} minute[/tex]
Speed of airplane in feet / minutes = [tex]\frac{330}{15} \times \frac{1}{\frac{1}{60}}[/tex]
Speed of airplane in feet / minutes = 1320 ft/min
So, Option C and D are equivalent to the speed of the model plane