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3 years ago

In what climates would you expect soil to form fastest? Why?

Physics

1 answer:

enyata [817]3 years ago

5 0

Answer:

Soils develop faster in warm, moist climates and slowest in cold or arid ones. Rainfall is one of the most important climate factors in soil formation.

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Hope this helped God bless :)

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A weightlifter does 450 J of work on a barbell in 3 s. How much power is the weightlifter generating?

astra-53 [7]

450 J / 3 s = 150 J/s = 150 watts.

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3 years ago

A soccer ball is kicked horizontally off a 24.0 meter high hill and lands a distance of 33.0 meters from the edge of the hill. D

vekshin1

Answer:

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3 years ago

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5 ejemplos de ondas mecánicas PORFAVOR!!

kupik [55]

Answer: Una onda de sonido es un ejemplo de onda mecánica. Las ondas sonoras son incapaces de viajar a través del vacío. Las ondas furtivas, las ondas del agua, las ondas de los estadios y las ondas para saltar la cuerda son otros ejemplos de ondas mecánicas; cada uno requiere algún medio para existir.

English Translation: A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum. Slinky waves, water waves, stadium waves, and jump rope waves are other examples of mechanical waves; each requires some medium in order to exist.

Explanation:

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2 years ago

A car moves along a straight path with a speed of 30kmh. How much distance will the car travel in 20 minutes

san4es73 [151]

Answer:

$speed \: = \frac{distance}{time} \\ speed \times time = distance \\ 8.3ms^{ - 1} \times 1200s \\ 9960m$

30km/h = 8.3ms^-1

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3 years ago

A water balloon launcher uses an elastic band with a spring constant of 115 N/m. To use the launcher, you stretch the band back

Lorico [155]

Here elastic balloon launcher will behave like an ideal spring

so here we have

spring constant k = 115 N/m

mass of balloon = 1.3 kg

Part a)

Stretch in the band is given as

x = 0.8 m

now the force on the balloon is given by

F = k x

now from above

$F = (115) (0.8) = 92 N$

so it will exert 92 N force on it

Part b)

Elastic potential energy is given as

$U = \frac{1}{2}kx^2$

so here we have

$U = \frac{1}{2}(115)(0.8)^2$

$U = 36.8 J$

Part c)

Here in this case we can say that kinetic energy gained by the balloon must be same as the elastic potential energy stored in the rubber because there is no energy loss in this system

So kinetic energy = 36.8 J

Part d)

As we know by the formula of kinetic energy

$K = \frac{1}{2}mv^2$

$36.8 = \frac{1}{2}(1.3)v^2$

$v = 7.52 m/s$

so speed of the balloon will be 7.52 m/s

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3 years ago

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