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sasho [114]
3 years ago
10

What is the formula for calculating the net force of an object

Physics
1 answer:
stepan [7]3 years ago
8 0

Answer:

Fg = gravitational force. When a force is applied on the body, not only the applied force is acting there are many other forces like gravitational force Fg, frictional force Ff and the normal force that balances the other force. Therefore, the net force formula is given by, FNet = Fa + Fg + Ff + FN.

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Which best explains how the diffraction pattern observed in young’s experiment supports the wave theory of light?.
KIM [24]

Answer: the airy pattern can only arise from wave propagation

Explanation:if particles went in straight lines through a slit, they would progate linearly and not interfere. The airy pattern arises from diffraction as waves interfere, producing peaks (constructive interference where peaks of waves from each slit coincide) and troughs (destructive interference where peaks and troughs of waves from each slit cancel out). If intensity rather than field is measured nodes occur where 0 values line up instead of troughs

6 0
2 years ago
What two statements are true about energy transformations
Arisa [49]

Answer:

First statement:

Energy can neither be created nor destroyed.

Second statement:

Energy can be converted from one form to another.

Explanation:

According to the law of conservation of energy:energy can neither be created nor destroyed but can be converted from one form to another

4 0
3 years ago
Anjali's plane had been flying through calm skies (no wind) with a velocity (speed and direction) vector <img src="https://tex.z
grin007 [14]

Answer:

The speed of the wind is 70.7 units.

Explanation:

The velocity of the wind is equal to plane's velocity before the wind minus its velocity after the wind:

\vec{v_{w}}=\vec{v_1}-\vec{v_2}= (400,100)- (350,50)

\boxed{\vec{v_{w}} = (50,50)}

Now, the speed of the wind is the magnitude of \vec{v_{w}}:

|\vec{v_{w}}| = \sqrt{50^2+50^2}

\boxed{|\vec{v_{w}}| = 70.7}

which is the speed of the wind.

<em>P.S: No units are given for speed because no units were provided in the question.</em>

5 0
4 years ago
I need help on my physics homework number 2
Mademuasel [1]
If it's in motion in the bottom it's called kinetic energy. Which means energy in motion
5 0
3 years ago
Which of the following CANNOT happen when an EM wave strikes a surface? A. Transmission B. Absorption C. Multiplication D. Refle
kobusy [5.1K]
D because there no way it will reflect making the way come back
3 0
3 years ago
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