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Anna71 [15]
3 years ago
6

The forces acting on this object are _______ and the net force is ________ Balanced, 0 N Balanced, 10 N Unbalanced, 10 N Unbalan

ced, 0 N
Physics
2 answers:
blondinia [14]3 years ago
7 0
The first one is balanced 

the 2nd one is  0 N

i took the test 2 times and the first time i got it wrong but when i reviewed the test it was this awnser
Amanda [17]3 years ago
5 0
1st Blank Answer: Balanced   
2nd Blank Answer: 0n 

I took the test and got it right
I would appreciate a Brainliest...
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Calculate the amount of energy produced in joules by 100- watt light bulb lit for 2.5 hours.
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100/2.5 is 40.
40 is the energy that is being produced 
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4 years ago
2. While hiking, you see a fragment of rock drop vertically from the edge of a cliff to the ground below. Which of the following
Dafna11 [192]

Answer:

Your answer would be B. fall

Explanation:

This is because sliding would be continuous it just said a fragment of rock fell vertically. Hope this helps

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8 0
3 years ago
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A bullet is fired vertically upward a velocity of 80m/s to what height will the bullet rise above the point of projection​
frozen [14]

Answer:

The bullet will rise 320 meters above the point of projection.

Explanation:

Assuming that air friction is negligent we can use the kinematic equation:

v_{2} ^2=v_{1} ^2+2(-a)d\\0\frac{m^2}{s^2} =6400\frac{m^2}{s^2} +2(-10\frac{m}{s^2} )d\\-6400\frac{m^2}{s^2} =(-20\frac{m}{s^2}) d\\320m=d

*acceleration is negative (-a) as it is acting in the opposite direction of the motion of the bullet.*

3 0
3 years ago
A krypton laser produces a cylindrical red laser beam 2.40 mm in diameter with 1.70 W of power. What is the light intensity 1.76
marta [7]

Answer:

I=3.75\times 10^5 W/m^2

Explanation:

Given that

Diameter of laser beam d= 2.4 mm

Radius of laser beam r= 1.2 mm

Power P =1.7 W

We know that intensity(I) of laser beam given as follows

I=\dfrac{P}{\pi r^2}

Now by putting the values

I=\dfrac{P}{\pi r^2}

I=\dfrac{1.7}{\pi \times 0.0012^2}

So

I=3.75\times 10^5 W/m^2

So the intensity at 1.76 m away from laser

I=3.75\times 10^5 W/m^2

5 0
3 years ago
A vehicle moves in a straight line with an acceleration of 4 km/h2. By how much does the speed change each second? Answer in uni
Elena-2011 [213]

Answer:

The speed of the vehicle changes in each second is, v = 0.00111 Km/h

Explanation:

Given,

The acceleration of the vehicle, a = 4 Km/h²

Converting it into m/s,

                                                    a = 0.0003086 m/s²

In each second the vehicle covers 0.0003086 m

The speed of the vehicle in each second is given by 0.0003086 m/s

Converting it into Km/h

                                     v = 0.00111 Km/h

Therefore, the speed of the vehicle changes in each second is, v = 0.00111 Km/h

3 0
3 years ago
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