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3 years ago

Why the greater the depth, the greater the pressure?

1 answer:

7 0

Well, the reason behind this is because water depth (I assume you're talking about water/liquid) increases the pressure because of the weight and volume of the water above. I hope this helps! ~Mia

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You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has_______ energy. Can

Greeley [361]

Kinetic energy because the ball is in motion or moving with energy behind it... kinda like when you shoot a gun, the bullet is fired out of the muzzle with kinetic energy ( Punch ) and the bullet goes through a wall or something. Sorry but my math skills aren't very good to give complex calculations but I would recommend that you maybe talk to some of the top ranking math guys on the website. Maybe they can give you better help...

Anyways, I hope I have been helpful to you.

5 0

3 years ago

During maneuvers preceding the Battle of Jutland, the British battle cruiser Lion moved as follows (in nautical miles): 1.2 mile

lana66690 [7]

Answer:

total distance is 11.3 miles

Explanation:

Given data:

distance to north = 1.2 miles

distance to south at 38 degree east of south = 6.1 miles

distance to east of north at angle 89 degree = 4 miles

distance to east of north at angle 31 degree = 6.5 miles

considering each displacement as vector so we have

$\begin{pmatrix}0.0\\ 1.2\end {pmatrix} + \begin {pmatrix}3.8\\ -4.8\end{pmatrix} +\begin{pmatrix}4.0\\ 0.1\end {pmatrix}+\begin{pmatrix}3.3\\ 5.6\end{pmatrix} = \begin{pmatrix}11.1\\ 2.1\end{pmatrix}$

total distance is $\sqrt{11.1^2 + 2.1^2} \approx 11.3$

5 0

3 years ago

Wts the average velocity

Alexeev081 [22]

Answer:

2.11 m/s

Explanation:

V=disp/time

V=(0.52m+3.7m)/(2)

V=4.22/2

V=2.11 m/s

5 0

3 years ago

HELP MEH QUICK PLEASE

lozanna [386]

Answer:

D) a Battery

Explanation:

The best real-life example of direct current is a battery. Batteries have positive and negative terminals on a battery, the electrons in the wires will begin to flow to produce a current.

6 0

3 years ago

If six moles of hydrogen chloride (HCl) react with plenty of aluminum, how many moles of aluminum chloride (AlCl3) will the reac

AlexFokin [52]

Answer:

Two moles of aluminum chloride $(AlCl_3)$ are produced when six miles of hydrogen Chloride $(HCl)$ react with plenty of aluminum

Explanation:

6 Moles of $HCl$ will only react with 2 moles of $Al$ irrespective of the number of moles of each compound present. The reaction wiil take place in this ratio only. The products produced will be 2 moles of $AlCl_3$ and 3 moles of $H_2$ this ratio will also be constant.

So, six moles of hydrogen chloride $(HCl)$ will react with plenty of aluminum to produce many 2 moles of aluminum chloride $(AlCl_3)$ .

5 0

3 years ago