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andrey2020 [161]
3 years ago
8

A joger travels 8.0 kilometers in 1.25 hours what is the average speed?

Physics
2 answers:
gogolik [260]3 years ago
8 0
8/1.25 = 6.4 kmph
The answer is 6.4 kilometers per hour
Svetach [21]3 years ago
3 0
ΔS  = 8.0 km

ΔT = 1.25 h

Vm  =  ΔS / ΔT

Vm = 8.0 / 1.25

Vm = 6.4 Km/h

hope this helps!
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The velocity of sound on a particular day outside is 331 meters/second. What is the frequency of a tone if it has a wavelength o
Leya [2.2K]
Answer:
frequency = 5.52 * 10² Hz

Explanation:
the equation that relates velocity, frequency and wavelength is:
velocity = frequency * wavelength

We are given that:
velocity = 331 m/sec
wavelength = 0.6 m

Substitute with the givens in the equation to get the frequency as follows:
velocity = frequency * wavelength
331 = frequency * 0.6
frequency = 331 / 0.6
frequency = 5.52 * 10² Hz

Hope this helps :)
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What is the relationship between these animals (Predator-Prey) (Parisite-Host) (mutualism) or (commensalism)
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An open rectangular tank 1 m wide and 2 m long contains gasoline to a depth of 1 m. If the height of the tank sides is 1.5 m, wh
lara [203]

Answer:

a_y = 4.9\ m/s^2

Explanation:

Given,

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Length of the tank, l = 2 m

height of the tank, d = 1.5 m

Depth of gasoline on the tank, h = 1 m

\dfrac{dz}{dy}=-\dfrac{1.5-1}{1}

\dfrac{dz}{dy}=-0.5

The differential form with the acceleration

\dfrac{dz}{dy}=\dfrac{-a_y}{a_z + g}

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acceleration in z-direction = 0 m/s²

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0.5=\dfrac{a_y}{0 + 9.8}

a_y = 9.8\times 0.5

a_y = 4.9\ m/s^2

Hence, Horizontal acceleration of the gasoline before gasoline would spill is equal to 4.9 m/s²

3 0
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alexdok [17]

Answer:

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Explanation:

Only way to do that is if aliens with far superior technology wise came to earth and did it

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What is formula for time and velocity
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