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3 years ago

How does weathering produce soil

1 answer:

8 0

Answer:Respiration of carbon dioxide by plant roots can lead to the formation of carbonic acid which can chemically attack rocks and sediments and help to turn them into soils. There are a whole range of weathering processes at work near the surface of the soil, acting together to break down rocks and minerals to form soil.

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You could increase the mechanical efficiency of this screw by _____.

Sati [7]

You could increase the mechanical efficiency of this screw by reducing friction along the screw threads

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3 years ago

Read 2 more answers

WHY is it so important to include units when expressing numbers?

Natasha_Volkova [10]

Answer:

Without units, the results are unclear and it is hard to keep track of what each seperate measurement entails.

5 0

4 years ago

An ice cube can slide around the inside of a vertical circular hoop of radius . It undergoes small-amplitude oscillations if dis

klasskru [66]

Answer:

$T=2\pi \times \sqrt {\frac {g}{\mu R}$

Explanation:

$\mu mw^{2}R=mg$

where m is the mass, g is acceleration due to gravity

The masses m are on both sides hence they cancel

$W=\sqrt {\frac {g}{\mu R}$

We know that T=2\pi W and substituting W with the above equation then

$T=2\pi \times \sqrt {\frac {g}{\mu R}$

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4 years ago

What is the mass in grams of 5.50 × 1014 lead (pb) atoms?

olchik [2.2K]

There will be no way that to happen aton is a positive charge

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3 years ago

A 0.2 kg plastic cart and a 20 kg lead cart both roll without friction on a horizontal surface. Equal forces are used to push bo

Fynjy0 [20]

Answer:

Equal

Explanation:

The impulse theorem states that the impulse exerted on each cart is equal to the change in momentum of the cart:

$I=\Delta p=p_f -p_i$

where

I is the impulse

pf is the final momentum

pi is the initial momentum

The impulse is equal to the product between the force applied and the contact time:

$I=F\Delta t$

In this case, the force applied to the two carts (F) is the same, and the contact time ( $\Delta t$ ) is the same as well. Therefore, the impulse exerted on the two carts is the same.

Moreover, the initial momentum of the two carts is also the same (zero, because they start from rest: $p_i=0$ ). So the formula becomes

$p_f = I$

And since I is the same for the two carts, the final momentum ( $p_f$ ) will also be equal.

7 0

3 years ago