Physics High School

Record the length of the line shown in centimeters.
7.30
7.12
7.3
7.28
Please help will be marked most brainlist !!

Answers

Answer 1

Zooming I. On the image the red line is just short of the 3rd line past the 7 so it is not 7.3 but just a little under.

Answer: 7.28

Related Questions

5.
1
Shown above is a wire that is carrying current in a magnetic field. The magnetic field
is coming out the plane of the page.
What is the direction of deflection of the wire?
A) Upwards
B) Downwards
C) To the left
D) To the right

Answers

Answer:

The direction of defliection of the site to the left I think ..

which of the following are fundamental unit ?
I.candela
II.ampere
III.mole
IV.all of these​

Answers

Answer:

all of these very easy questions

what is the name of the chart that contain elements?​

Answers

Answer:

Element Chart

Explanation:

It is a chart that provides many different elements.

The elevators in the John Hancock building in Chicago move 783 ft in 33 s. What is this speed in miles per hour?

Answers

Answer:

16.18 mph

Explanation:

the speed of elevators =

(783×3600)/(33×5280) =

2,818,800/174,240 = 16.18 mph

what is the density of a 75 g block of wood measuring 12 cm x 8cm x 9cm

Answers

Answer:

density is equal to mass divided by volume (m/v)

volume: 12×8×9=864cm³

75÷864=0.09

Answer: 0.09g/cm³

the density of the metal is 8.9g/cm³.what does it mean. What is the importance of the value​

Answers

Density of the metal is 8.9g/cm^3

It means per 1cm^3 Volume there is 8.9g of Mass occupied .

Density:-

[tex]\boxed{\sf Density=\dfrac{Mass}{Volume}}[/tex]

SI unit:-

SI unit of density is kg/m^3

CGS unit

CGS unit of density is g/cm^3

Can someone tell me which is which on what i put i dont know what i should put

Answers

I am not great at this so if I’m wrong I’m sorry.

Speed:
Distance per time
40 km/h
A scalar quantity

Velocity:
A vector quantity
20 m/s south
Displacement per time

what is pulley? How does it help in lifting weight?​

Answers

Hey there!

A pulley is a "system" that has a rope attached to carry heavy materials off the ground. Once you pull the rope, the heavy item will be carried.

Hope this helps!

Have a great day!

Using a pulley greatly multiplies the force of your physical efforts. A pulley with one wheel allows you to reverse the direction of your lifting force by pulling down on a rope (that's looped over the wheel), lifting your weight. ... The more wheels your rope can loop around, the more weight you will be able to lift.

How can radio waves & microwaves communicate over similar distances?

Answers

I think that this website will help out a lot! I looked up your question, and this website popped up first with a paragraph to explain an answer: https://revisionworld.com/gcse-revision/physics/electromagnetic-radiation/radio-waves-microwaves. I hope this helps!

Round 0.010229 to four sig figs

Answers

It would be 0.01023.

0.010229 has 5 sig. fig.'s (leading zeros do not count)

So rounding to 4 sig. fig.'s is just a matter of rounding off the last digit, which leaves you with 0.01023.

Slove these problem physics ​

Answers

Answer:

element name = neon

no of proton = 10

no. if neutron = 9

atomic no. = 10

atomic weight = 20.17179u

it lies in group 18 and period 2

it is nonmetal because it is a noble gas .

hope this helped you ☺️

Which statement is true?

A. When a gas condenses to a liquid, it absorbs energy.
B. When water boils, it releases energy.
C. When ice melts, it absorbs energy.
D. When water freezes, it absorbs energy.

Answers

Explanation:

The correct answer is option B

Answer:

C. When ice melts, it absorbs energy.

Explanation:

When ice melts, it is getting hotter by absorbing energy and changes from a solid to a liquid. This is an endothermic reaction.

Please help ???????.......

Answers

Answer:

300,000=3×10^3

.000012=1.2×10^-6

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