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Alex73 [517]
3 years ago
10

Helping the community!!

Physics
1 answer:
Sloan [31]3 years ago
5 0
WoAh that’s kind bro
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A physics instructor wants to project a spectrum of visible light colors from 400 nm to 700 nm as part of a classroom demonstrat
olga2289 [7]

Answer:

औडंठः की दुनिया कार्टून दर्शन होली है और यह बियर का अच्छा विकल्प है। विकल्प है। यो कुरा मेरो आफ्ना लागि विचार र त्यहाँको बडेमाको बिल्डिङ भित्र म जिन्दगी एक यात्रा हो कहाँबाट शुरु भइ कहाँ पुगेर अन्त हुन्छ

5 0
3 years ago
A 5.0 kg block is pushed 2.0 m at a con-
Alona [7]

Answer:

W_F=127.64283 J

Explanation:

Information Given:

m = 5kg  v=constant

Key: μ = Kinetic Friction (Kf)   θ = Theta α = 180° N = Normal Force

W_F=F_ydcosθ

W_F=Fdsinθ

_{net}F_y = sinθ-μN-mg=0

_{net}F_x = 0

N=Fcosθ

Fsinθ-μN=mg

Fsinθ-μFcosθ=mg

F=\frac{mgdsin(theta)}{sin(theta)-(Kf)cos(theta)} →W_F=\frac{mgdsin(theta)}{sin(theta)-(Kf)cos(theta)}

W_F=\frac{(2)(9.81)(2)sin(30)}{sin(30)-(0.40)cos(30)}

W_F=127.64283 J

3 0
3 years ago
A battery of 1 V gives how much energy to each Coulomb of charge? A. Not enough info B. 5 Joules C. 1 Joule D. 0.5 Joules
Artist 52 [7]

C. 1 Joule

Explanation:

Given:

Voltage = 1V

Quantity of charge = 1coulomb

Unknown:

Energy = ?

Solution:

The amount of work done is often related to the energy in a system.

In this electrical circuit, work done is the voltage that moves a particular charge.

    work done = q x v

  q is the quantity of charge

  v is the voltage

the potential difference in circuit is the driving force of charges.

 Work done = energy = qv

inputting the parameters;

   Work done =  1 x 1 = 1J

learn more:

Electrochemistry problems brainly.com/question/6953278

#learnwithBrainly

5 0
3 years ago
a material that is not a mixture; it has the same properties all the way through is called. Its 9 letters long and the second le
tatiyna

Answer: The material that is not a mixture; it has the same properties all the way through is called a substance.

Explanation:

A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Hence, it cannot be separated by physical means. Example: Gold

Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present. They can be separated by physical means as well. Example: Air

Thus the material that is not a mixture; it has the same properties all the way through is called a substance.

8 0
3 years ago
A ball is thrown upward from the ground with an initial speed of 25 m/s; at the same instant, another ball is dropped from a bui
Nimfa-mama [501]

Answer:

t = o.6 s

Explanation:

Let ball thrown from below be A and ball dropped from above be B.

A and B meet when they both are same level above the ground. Then let A moved up a distance d and B dropped a distance h. Then you know

d + h = 15 m  ---------------(1)

Now apply s = ut + \frac{1}{2}at²

To A upwards,

d = 25t - \frac{1}{2}gt²  -----------------(2)

To B downwards,

h = 0 + \frac{1}{2}gt² ----------------(3)

(1) = (2) + (3) ⇒ 15 = 25t

                         t = 0.6 s

5 0
3 years ago
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