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3 years ago

The climate of a town on the coast will have less dramatic changes than a town further inland. Is this statement true or false?

Physics

1 answer:

zhenek [66]3 years ago

4 0

Answer:

ture

Explanation:

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A starter pistol is fired 150m away from the spectators who hear the gun 0.5s after they see it fired. How fast does sound trave

Natali [406]

Answer:

300m/s

Explanation:

speed = distance/time

150/0.5

8 0

3 years ago

Which one of the following is correct option: hydrogen,

Vinil7 [7]

Answer:

hydrogen

Explanation:

pH is a measure of the ion concentration of hydrogen in a solution.

In chemistry, it literally means power of hydrogen ions and it is a measure of the molar concentration of hydrogen ions in a particular solution, thus specifying the acidity, neutrality or basicity of chemical solutions.

Mathematically, the pH of a solution is given by $pH = -log 10[H^{+}]$

Hence, a solution with a pH of 7 is neutral.

Also, a solution with a pH below 7 is acidic but basic if it's pH is above 7.

3 0

3 years ago

Helpppppppppppppppp its timeddddddddddd

leva [86]

Answer:

<u>The answer is the third option.</u>

Explanation:

The electrostatic force, Coulomb's force, is a force that depends on the inverse of the square distance, it is a non-contact force.

On the other hand, stretched spring is a contact force, it needs a contact external force.

Therefore, <u>the answer is the third option.</u>

I hope it helps you!

4 0

3 years ago

In an "atom smasher," two particles collide head on at relativistic speeds. If the velocity of the first particle is 0.741c to t

USPshnik [31]

Answer:

$W_x = 0.9156\ c$

Explanation:

given,

velocity of particle 1 = 0.741 c to left

velocity of second particle = 0.543 c to right

relative velocity between the particle = ?

for the relative velocity calculation we have formula

$W_x = \dfrac{|u_x - v_x|}{1-\dfrac{u_xv_x}{c^2}}$

u_x = 0.543 c

v_x = - 0.741 c

$W_x = \dfrac{0.543 c - (-0.741 c)}{1-\dfrac{(0.543 c)(-0.741 c)}{c^2}}$

$W_x = \dfrac{0.543 c +0.741 c)}{1+\dfrac{(0.543)(0.741)c^2}{c^2}}$

$W_x = \dfrac{1.284c}{1+0.402363}$

$W_x = 0.9156\ c$

Relative velocity of the particle is $W_x = 0.9156\ c$

5 0

3 years ago

The energy carried by sound waves is called -

goldenfox [79]

Answer:

kinetic mechanical energy

8 0

3 years ago

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