3 years ago

Sam is driving along the highway towards saint john.He travels 150km in 3.00hrs.What is the average speed for his trip?

Physics

2 answers:

Zina [86]3 years ago

4 0

Answer:

what kind of car

Explanation:

Alexeev081 [22]3 years ago

3 0

Answer:

50km/hr

Explanation:

Now I am assuming you want the answer in Km/hr. with that being said speed is just distance/time.

so speed = 150km/3hr = 50km/hr

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A sound wave has a frequency of 250 Hz and a wavelength of 2.5 m. What is the speed of the wave?

Digiron [165]

ANSWER

625 m/s

EXPLANATION

Given:

• The frequency of the sound wave, f = 250 Hz

• The wavelength, λ = 2.5 m

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• The speed of the wave, v

The speed of a wave of wavelength λ and frequency f is given by,

$v=f\cdot\lambda$

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