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4 years ago

Please help mark as brainliest

Physics

2 answers:

ELEN [110]4 years ago

8 0

Explanation:

an organizational pattern would be most appropriate in a biography about Marie Curie?, would be chronological.

The answer is stacks of books need to be shelved.

A complete sentence needs a subject and a verb: the subject in this sentence is stacks and the verb is need.

The second sentence is a dependent clause. The third sentence lacks the verb (the subject is actor). The fourth sentence lacks the subject (the verb is gave).

Savatey [412]4 years ago

7 0

It's c, chronological.

It's d, "Stacks of books need to be shelved".

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There are two particles with charges +Q and +q. The electric force applied to one of the charges is 10 N. Now, +Q is replaced by

KIM [24]

Answer:

F = 10 N

Explanation:

Assuming that we can treat to both particles as point charges, the magnitude of the force that one charge exerts on the other, must obey Coulomb's Law.
The expression for this force, applied to the charges +Q and +q, separated by a distance d, is as follows:

$F_{0} = \frac{k*q*Q}{d^{2}}$

If we replace +Q by +4Q, and d by 2*d, the new expression for the magnitude of the force is as follows:

$F_{1} = \frac{k*q*4*Q}{(2*d)^{2} } = \frac{4}{4} *\frac{k*q*Q}{d^{2} } = F_{0} = 10 N$

As it can be seen, the force will be as same as before making changes, so F= 10 N.

6 0

3 years ago

A pendulum clock depends on the period of a pendulum to keep correct time. Suppose a pendulum clock is keeping correct time and

Mashutka [201]

Answer:

time period is increased so the clock will become SLOW

Explanation:

As we know that the time period of the simple pendulum is given by the formula

$T = 2\pi\sqrt{\frac{L}{g}}$

here we know that

L = distance of the pendulum bob from the hinge

g = acceleration due to gravity

now here the bob slide down so that the length of the pendulum is being increased

so time period T of the pendulum is also increased

so here the pendulum will take more time to oscillate or to complete one oscillation

so clock will become SLOW

8 0

3 years ago

Is salt an element or a compound

LiRa [457]

Hello!

To answer your question, salt is a compound!

It is the product of the chemical bond between Na (Sodium) and Cl (Chloride),

Hopes this help you with your question.

5 0

4 years ago

What is the strength of electric field EpEp 0.60 mmmm from a proton? Express your answer to two significant figures and include

disa [49]

Answer:

3.99*10^-3N/C

Explanation:

Using

Ep= kq/r²

Where r = 0.6mm = 0.6*10^-3m

K= 8.9*10^9 and q= 1.6*10^-19

So = 8.9*10^9 * 1.6*10^-19/0.6*10^-3)²

= 3.99*10^-3N/C

8 0

3 years ago

8. A roller coaster's velocity at the top of a hill is 10 m/s. It reaches the bottom of the hill with a

Kaylis [27]

Answer:

is 8 m/s2

Explanation:

5 0

3 years ago