After striking both mirrors, at what angle relative to the incoming ray does the outgoing ray emerge?

1 answer:

4 0

The appropriate response is Zero degrees. The beam will leave the two mirrors along a way parallel to the one it came in on. This is the guideline of the corner reflector, which is frequently utilized as a radar target. Take note of that the corner reflector utilizes three reflecting surfaces (that are set up at 90o from each other) rather than the two like are being utilized here. Wikipedia has a truly awesome drawing that shows this two-dimentional issue pleasantly. A moment connection is given to the article on the corner reflector and the 3-D angles.

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A pressure of 70N/m2 equals

laiz [17]

Answer:

Newton/square meters=70 AND Pascal=70

Explanation:

Formula:multiply the pressure value by 1.

6 0

3 years ago

Determine the amount of torque

malfutka [58]

Answer:

250Nm

Explanation:

Given parameters:

Length of the long pry bar = 1m

Force acting on it = 250N

Angle = 90°

Unknown:

Amount of torque applied = ?

Solution:

Torque is the turning force on a body that causes the rotation of the body.

The formula is given as:

Torque = Force x r Sin Ф

r is the distance

So;

Torque = 250 x 1 x sin 90 = 250Nm

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3 years ago

We have a toy gun with a spring constant of 50 N/m. The spring is compressed by 0.2 m. If you neglect friction and the mass of t

Arisa [49]

Answer:

$31.6\:\mathrm{m/s}$

Explanation:

The elastic potential energy of a spring is given by $Us=\frac{1}{2}kx^2$ , where $k$ is the spring constant of the spring and $x$ is displacement from point of equilibrium.

When released, this potential energy will be converted into kinetic energy. Kinetic energy is given by $KE=\frac{1}{2}mv^2$ , where $m$ is the mass of the object and $v$ is the object's velocity.