3 years ago

What are four main ways weathering can happen

Physics

1 answer:

melamori03 [73]3 years ago

3 0

Answer:

<em>erosion, physical reactions, chemical reactions, and gravity</em>

Hope this helps you out, dear. Have a beautiful day!!

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While traveling along a highway a driver slows from 24 m/sec to 15 m/sec in 12 seconds. What is the

Vladimir [108]

24-15=9 m/s slower in 12 seconds. So 9/12 m/s² slower. Therefore the acceleration is -0,75 m/s²

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3 years ago

Force F acts between two charges, q1 and q2, separated by a distance d. If q1 is increased to twice its original value and the d

Step2247 [10]

Okay, haven't done physics in years, let's see if I remember this.

So Coulomb's Law states that $F = k \frac{Q_1Q_2}{d^2}$ so if we double the charge on $Q_1$ and double the distance to $(2d)$ we plug these into the equation to find

<span> $F_{new} = k \frac{2Q_1Q_2}{(2d)^2}=k \frac{2Q_1Q_2}{4d^2} = \frac{2}{4} \cdot k \frac{Q_1Q_2}{d^2} = \frac{1}{2} \cdot F_{old}$ </span>

So we see the new force is exactly 1/2 of the old force so your answer should be $\frac{1}{2}F$ if I can remember my physics correctly.

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3 years ago

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A projectile falls beneath the straight-line path it would follow if there were no gravity. How many meters does it fall below t

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Answer:

Explanation:

Suppose v is the initial velocity and $\theta$ is the angle of inclination