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Gemiola [76]
3 years ago
12

The angle at which a wave strikes a surface is ___ the angle at which the wave is reflected.

Physics
1 answer:
Art [367]3 years ago
5 0

Answer:

a)equal to

Explanation:

properties of a wave

applies in reflection

others include:refraction,diffraction,interference

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A single loop of area 0.193 m2 is placed perpendicular to a magnetic field of 0.374 T. The loop is rotated about an axis lying i
DENIUS [597]

Answer: The angular speed w of the loop = 181 rad/s

Explanation:

Given that;

Area A = 0.193 m2 

Magnetic field B = 0.374 T

E.m.f = 9.24v

Ø = 45 degree

According to Faraday's law when the magnetic flux linking a circuit changes, an electromotive force is induced in the circuit proportional to the rate of change of the flux linkage.

Using the formula

E.m.f = NABwcosØ

Where w = angular velocity.

Let assume that N = 1 then,

9.24 = 0.193 × 0.374 × w × cos45

9.24 = 0.051w

w = 9.24/0.051

w = 181 m/s

Therefore, the angular speed w of the loop = 181 rad/s

4 0
3 years ago
Which of the following is occurring while a satellite is in orbit around Earth? O It is continuously pulling away from Earth It
hoa [83]

AnswerIt is continuously falling towards the surface of the earth

Explanation:

since gravity from earth is the thing that keeps it constantly in orbit

4 0
3 years ago
If the mass of each ball were the same, but the velocity of ball A were twice as much as ball B, what do you think would happen
Margaret [11]
Given momentum is conserved and is mv

if
mass is the same and va=2vb
then momentum is m(2vb + vb)

if collision is elastic (bounces off)
then m(2vb + vb) = m(vfa + vfb)
3vb = vfa + vfb
meaning final velocities would be different

if collision is inelastic (sticks together)
then m(2vb + vb) = (m+m)vf
meaning final velocity would be same

is this what you wanted?
5 0
3 years ago
Potential energy of an apple is 6j. the apple is 3.00m high. what is the mass of the apple?​
HACTEHA [7]

Answer:

0.2 kg

Explanation:

PE = mgh

6 J = m (9.8 m/s²) (3.00 m)

m = 0.2 kg

5 0
3 years ago
Moon rocks resemble rocks from which of the following layers of the earth?
Vedmedyk [2.9K]
Mantle I think idrk cuz of erosion
7 0
3 years ago
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