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Yuri [45]
3 years ago
10

Which of the following surfaces reflects the most light?

Physics
2 answers:
Nana76 [90]3 years ago
8 0
Aluminum foil reflects the most light
Lunna [17]3 years ago
3 0
Aluminum foil reflects more light
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In a displacement versus time graph, what does the slope of a line at any point indicate?
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In a displacement versus time graph, the slope of the line at any point on the graph indicates the <em>magnitude of velocity</em>.  

(It can't indicate velocity completely, because the graph shows nothing about the direction of the motion.)

4 0
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1. Who first published the classification of the elements that is the basis of our periodic table today?
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3 years ago
It takes at least 4 people to push a refrigerator up a 10-meter ramp. How many people would be needed to push the same refrigera
vaieri [72.5K]
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Please give Brainliest!
8 0
2 years ago
A hole is punched at A in a plastic sheet by applying a 660-N force P to end D of lever CD, which is rigidly attached to the sol
olasank [31]

Answer:

hello your question lacks some data and required diagram

G = 77 GPa,  т all = 80 MPa

answer : required diameter = 252.65 * 10-^3 m

Explanation:

Given data :

force ( P )  = 660 -N force

displacement = 15 mm

G = 77 GPa

т all = 80 MPa

i) Determine the required diameter of shaft BC

considering the vertical displacement ( looking at handle DC from free body diagram )

D' = 0.3 sin∅  ,   where D = 0.015

hence ∅ = 2.8659°

calculate the torque acting at angle ∅  of  CD on the shaft BC

Torque = 660 * 0.3 cos∅

             = 660 * 0.3 * cos 2.8659 = 198 * -0.9622 = 190.5156 N

hello attached is the remaining part of the solution

4 0
3 years ago
In which direction is the magnetic force acting on the charge? into the screen out of the screen up down
Harrizon [31]

The direction in which the magnetic force is acting on the charge is upwards.

<h3>What is Magnetic force?</h3>

This is the attraction and repulsion which usually occurs during the motion of electrically charged particles.

In the magnetic field, the charge is moving to the left. Therefore the direction the magnetic force is acting on the charge is upwards which is gotten via right hand rule.

Read more about Magnetic force here brainly.com/question/25932320

#SPJ1

4 0
2 years ago
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