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strojnjashka [21]
3 years ago
6

URGENT!!!! WILL GIVE BRAINLIEST!!!!!! 15 POINTS

Physics
2 answers:
sweet [91]3 years ago
7 0
You've got the whole answer right there in your question. The angle of incidence is the angle between the line normal to the surface and the beam of light coming into the surface. (Normal means perpendicular.)
Artyom0805 [142]3 years ago
3 0
It's the angle made by the incident ray when it's perpendicular to the surface. (Perpendicular lines are the lines that form a graph or like a 90-degree angle)
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How are sounds alike in the beginning
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A particle has a charge of 5.2..*.10ȹ© coulombs and experiences a force of 9.5..*.10ȹ¢ newtons when it travels through a magne
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The answer is 22.4 is what they going to get althoug is diffrent

6 0
3 years ago
2.2 kg box is being dragged to right with 31.06 N force and accelerating at 3.2 m/s^2 how strong is force of friction acting on
insens350 [35]

24. 02 N force of friction acting on the box.

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

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Force = mass. acceleration

Force = (2.2).(3.2)

Force = 7.04 N

Total force applied is 31.06 N

Frictional force = 31.06 - 7.04

Frictional force = 24. 02 N

24. 02 N force of friction acting on the box.

<h3 />

To learn more about force refer to the link:

brainly.com/question/13191643

#SPJ1

4 0
1 year ago
A 1.0-kg ball of putty is released from rest and falls vertically 1.5 m until it strikes a hard floor, where it comes to rest in
topjm [15]
<span>We first calculate the velocity of the ball when it hits the ground; this is equal to the square root of the quantity (2*g*d) where g is the acceleration of gravity (9.8 m/s^2) and d is the distance fallen, 1.5m.

    So, we get a velocity of sqrt(2*9.8*1.5) = 5.42 m/s.

   We can calculate the impulse force applied to the putty ball by using Newton's second law, which states that the applied force is equal to the product of mass and acceleration, where acceleration can be further decomposed as the change in velocity divided by the change in time. Thus, inputting the known values, we have:

    F = ma = m(dv/dt) = 1.0*5.42/0.045 = 120.4 newtons.</span>
8 0
3 years ago
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