Answer:
The answer is diffraction
Explanation:
I just took the test and diffraction is what is being shown in the example
Answer:
11.82 N upward and parallel to the incline.
Explanation:
Let g = 9.81 m/s2. Gravity that acts on the bin has a magnitude of
W = mg = 3*9.81 = 29.43 N
The gravity component that is parallel to the 40 degree incline is
If the bin is moving at constant speed, then the net force (parallel to the incline) is also 0. Gravity is balanced with the push force of 26 N and the friction force.
The magnitude of friction force is 26 - 18.9 = 7.08 N
The the bin is moving down the incline, then gravity is 18.9N , friction is 7.08 N, one must create an upward force of 18.9 - 7.08 = 11.82 N parallel with the incline to balance this.
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<span>Every falling object on Earth will experience air resistance,
unless it's falling inside a vacuum chamber.
The air resistance will increase as the speed of the falling object
increases.
At the point when the air resistance equals the weight, there is no
acceleration, and the object will fall with constant speed after that.</span>
Answer: Positive velocity is then speed towards right, and negative velocity is speed towards left. It is the same for acceleration: negative acceleration is acceleration towards left. It slows objects moving towards right
Explanation: In physics calculations, acceleration — just like displacement and velocity — can be positive or negative. can u help me now pls ?