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3 years ago

Need help ASAPPPPPP will mark brainleast if right no links or im reporting

Physics

2 answers:

kykrilka [37]3 years ago

5 0

Answer: Density--> the amount of mass in a given volume

Boiling point: the tempeture when a liquid becomes gas

Conductivity: the ability of a subtance to transfer heat or electricety

Bouyant force: The upward force of an object in a liquid

soulibility: the ability of a subtance to disolve in other.

sorry for bad spelling

Explanation:

shepuryov [24]3 years ago

5 0

Answer:

Hey there

Boiling point-the temperature at which liquid becomes gas.*

*for water that is 100 c*

Density-the amount of gas in a given volume.**

** the density of water is 997kg/m³

Soliditiy-the ability of a substance to dissolve in another.***

***You would dissolve if you were inside the sun.

Conductivity-the ability of a substance to transfer heat or electricity.****

****metal transfers both heat and electricity efficiently.

Buoyant force-the upward force on an object in a fluid.*****

*****You float in water because you are lighter than water.

Hope it helped

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Answer:

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3 years ago

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If you are designing a force multiplying system with two pneumatic cylinders. Your system should increase the force by a multipl

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Answer:

decrease the area in the second cylinder

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In a two-cylinders pneumatic system, the pressure exerted on the first cylinder is equal to the pressure on the second cylinder:

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We can rewrite the pressure as product between force (F) and area (A) of the cylinder:

$F_1 A_1 = F_2 A_2$

In this system, the output force should be 4 times the input force:

$F_2 = 4 F_1$

Substituting into the previous equation, we get:

$F_1 A_1 = 4 F_1 A_2\\A_2 = \frac{A_1}{4}$

This means that the area of the second cylinder must be 1/4 of the area of the first cylinder, so the correct answer is

decrease the area in the second cylinder

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3 years ago

Pls help me pls i’m begging u

Minchanka [31]

Answer: Rolling Friction

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3 years ago

A rubber rod with a negative 4.0 C (-4.0 x 10-6 C) charge is 10 cm east of a pith ball with a positive charge of 5.0 C. A plas

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3 years ago

The record distance in the sport of throwing cowpats is 81.1 m. This record toss was set by Steve Urner of the United States in

N76 [4]

Answer:

28.2 m/s

Explanation:

The range of a projectile launched from the ground is given by:

$d=\frac{v^2}{g}sin 2\theta$

where

v is the initial speed

g = 9.8 m/s^2 is the acceleration of gravity

$\theta$ is the angle at which the projectile is thrown

In this problem we have

d = 81.1 m is the range

$\theta=45^{\circ}$ is the angle

Solving for v, we find the speed of the projectile:

$v=\sqrt{\frac{dg}{sin 2 \theta}}=\sqrt{\frac{(81.1 m)(9.8 m/s^2)}{sin (2\cdot 45^{\circ})}}=28.2 m/s$

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3 years ago