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labwork [276]
3 years ago
7

A particle has 3 x 10^15 eV has a charge of 3uC is placed on a certain field.

Physics
2 answers:
Vinvika [58]3 years ago
8 0

Answer:

no se porque xD jajjakajajjajajajjaj

Natalka [10]3 years ago
3 0

Answer:

la verdad no sé que responder pero la aplicación me lo pide

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What property is a characteristic of a pure substance that can be observed with out changing the substance into something else
WARRIOR [948]

physical property is a characteristics of a pure substance that can be observed without changing the substance into someone else.

4 0
3 years ago
A box of mass 60 kg is at rest on a horizontal floor that has a static coefficient of friction of 0.6 and a kinetic coefficient
gavmur [86]

Answer:

a) The minimum force required to start moving the box is 352.86 N

b) i) The friction force for the box in motion is 147.025 N

ii) The acceleration of box is 4.21625 m/s²

Explanation:

The parameters of the box at rest and the floor are;

The mass of the box = 60 kg

The static coefficient friction of the floor = 0.6

The kinetic coefficient friction of the floor = 0.25

Frictional force = Normal force × Friction coefficient

For an horizontal floor and the box laying on the floor, we have;

The normal force = The weight of the box = Mass of the box × Acceleration due to gravity, g

The acceleration due to gravity, g = 9.81 m/s²

The weight of the box  = 60 × 9.81 = 588.6 N

a) The static coefficient gives the frictional force observed by the box and which must be surpassed to bring about motion

Therefore;

The minimum force required to start moving the box = The static frictional force = Weight of the box × The static coefficient of friction

The minimum force required to start moving the box = 588.1 × 0.6 = 352.86 N

The minimum force required to start moving the box = 352.86 N

b) i) When an horizontal force of 400 N is applied, the applied force is larger than the static friction force, and the box will be in motion with the kinetic coefficient of friction being the source of friction

The friction force for the box in motion = 588.1 × 0.25 = 147.025 N

ii) The force, F with the box is in motion, is given as follows;

F = Mass of box × Acceleration of box, a = Applied force - Kinematic friction force

F = 60 × a = 400 - 147.025 = 252.975 N

60 × a = 252.975 N

a = 252.975 N/(60 kg) = 4.21625 m/s²

Acceleration of box, a = 4.21625 m/s².

6 0
3 years ago
How much is the velocity of a body when it travels 600m in 5 minutes?( with the full process)​
Tcecarenko [31]
Its average speed, pretending that it traveled at a constant speed, is

v = s / t

= 600 m

5 x 60 s

= 2 m/s

but to be a velocity it needs a direction as well as a speed.

( Sorry. Can’t find a division line to put between the 600 m and the 5 x 60 s )
6 0
3 years ago
A _________ is a graphical representation of association between variables.
tino4ka555 [31]
A. scatter plot (100% positive, btw quizzes is a good tool for answers)
3 0
3 years ago
Read 2 more answers
I don't understand how to do this. Its science by th way​
Alex_Xolod [135]

Answer:

the answer is Z,X,W,Y

Explanation:

we know Z is the hardest material because when it is rubbed against any material,the other material is definitely left with a mark,so Z is 1st

we know Y is the weakest material because when it is scratched by all other materials,it is left with a mark.so we write Y at the last.

X is rubbed against W and W is left with a mark,so we know that X is harder than W,so we should write X just before W and after Z.

8 0
3 years ago
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