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2 years ago

Which statement about the water cycle is correct.

Physics

1 answer:

MArishka [77]2 years ago

6 0

Answer:

<h2>D. Clouds are one form of precipitation </h2>

Explanation:

<h2>Hope it help and mark as brainliest ❤️</h2>

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How much support force does a table exert on a book that weighs 15 N when the book is placed on the table?

mestny [16]

Answer:

15 N

Explanation:

According to Newton's third law of motion, to every action, there is an equal and opposite reaction. This reaction is equal in magnitude to the force acting but in an opposite direction.

Now, if the book weighs 15 N, an opposite equal force will be: N = -15 N

But the magnitude of this will be the absolute value which is 15N.

8 0

3 years ago

If a block of wood has a density of 0.6g/cm3 and a mass of 120g what is the volume

Luda [366]

Answer:

It would be 39 :))

Explanation:

6 0

3 years ago

If two different theories describe experimental observations equally well, can one be said to be more valid than the other (assu

Andreas93 [3]

Answer:

Explanation:

In such situations we cannot determine which one is more valid as both serves the purpose well.

Two theories are carried out in different environment and circumstance keeping different parameters and one can opt for any number of ways to carry out that experiment but what matter at the end is the accuracy they bring.

Each of the theory is a new discovery and follows all the possible logical rules hence it is not possible to decide which one is more valid.

3 0

3 years ago

If the plane is flying in a horizontal path at an altitude of 98.0 m above the ground and with a speed of 73.0 m/s, at what hori

snow_lady [41]

Explanation:

The given data is as follows.

height (h) = 98.0 m, speed (v) = 73.0 m/s,

Formula of height in vertical direction is as follows.

h = $\frac{gt^{2}}{2}$ ,

or, t = $\sqrt{\frac{2h}{g}}$

Now, formula for the required distance (d) is as follows.

d = vt

= $v \sqrt{\frac{2h}{g}}$

= $73.0 m/s \sqrt{\frac{2 \times 98.0 m}{9.8 m/s^{2}}}$

= 326.5 m

Thus, we can conclude that 326.5 m is the horizontal distance from the target from where should the pilot release the canister.

8 0

3 years ago

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. What other characteristic does the radiation

weeeeeb [17]

<u>Answer:</u> The radiation emitted will have negligible mass number.

<u>Explanation:</u>

Radioactive decay is defined as the process in which an unstable nuclei breaks down into stable nuclei via various methods.

An isotope undergoes a radioactive decay to attain stability.

There are three types of decay process, but the process in which the emitted radiation carries a charge of -1 is beta decay.

Beta decay is defined as the decay process in which a neutron gets converted to a proton and an electron. In this decay process, beta particle is emitted. The emitted particle carries a charge of -1 units and has a mass of 0 units. The released beta particle is also known as electron.

$_Z^A\textrm{X}\rightarrow _{Z+1}^A\textrm{Y}+_{-1}^0\beta$

Hence, the radiation emitted will have negligible mass number.

3 0

4 years ago

Read 2 more answers