1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Y_Kistochka [10]
3 years ago
5

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is

Physics
2 answers:
dem82 [27]3 years ago
5 0
As the surface given is a smooth surface, we can use specular reflection. According to the law of specular reflection, the angle of incidence equals the angle of reflection, so it will also be 40°. Answer is A.
sashaice [31]3 years ago
5 0

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is 40 degrees.

You might be interested in
What is the formula to find initial velocity?​
Inga [223]

Answer:

s = ut + 1/2at^2

Explanation:

s= distance

u= initial velocity

a= acceleration

7 0
3 years ago
A copper sphere was moving at 40 m/s when it hit another object. This caused all of the KE to be converted into thermal energy f
USPshnik [31]

Answer:

Temperature increase = 2.1 [C]

Explanation:

We need to identify the initial data of the problem.

v = velocity of the copper sphere = 40 [m/s]

Cp = heat capacity = 387 [J/kg*C]

The most important data given is the fact that when the shock occurs kinetic energy is transformed into thermal energy, therefore it will have to be:

E_{k}=Q\\ E_{k}= kinetic energy [J]\\Q=thermal energy [J]\\Re-employment values and equalizing equations\\\\\frac{1}{2} *m*v^{2}=m*C_{p}*dT  \\The masses are canceled \\\\dT=\frac{v^{2}}{C_{p} *2} \\dT=2.1 [C]

8 0
3 years ago
An atom of sodium (Na) gives up an electron to chlorine (Cl) to form table salt. What type of bond is this?
Alexxx [7]
Your answer will be C!~
6 0
3 years ago
Why is a magnet strongest at its poles ??
Softa [21]

Answer:

magnetic fields is stronger at the pulls because opposites attract which is why the pull is stronger.

this was written by me.

Explanation:

8 0
3 years ago
A center-seeking force related to acceleration is _______ force.
Gennadij [26K]
<span>A center-seeking force related to acceleration is centripetal force. The answer is letter A. The rest of the choices do not answer the question above.</span>
4 0
3 years ago
Other questions:
  • List 2 ways that Dopplar Radar is used in technology
    15·1 answer
  • What describes a sound wave as it travels through a medium
    9·1 answer
  • Carbon is allowed to diffuse through a steel plate 9.7-mm thick. The concentrations of carbon at the two faces are 0.664 and 0.3
    13·1 answer
  • On a cool morning, Uyen’s breath can form a cloud when she breathes out. Which changes of state are most responsible for Uyen se
    12·2 answers
  • I which types of galaxy are globular clusters most likely to be found?
    8·1 answer
  • In an experiment, the explanation of the expected outcome, based on research, is the _______________.
    10·1 answer
  • The newest generation of smart phone uses three different batteries connected in a series simultaneously to extend battery life
    14·1 answer
  • Two point charges 3q and −8q (with q &gt; 0) are at x = 0 and x = L, respectively, and free to move. A third charge is placed so
    5·1 answer
  • a force of 17 acts on a block of mass 4kg the forces of friction opposing the motion is 5n . the acceleration of the block is​
    10·1 answer
  • the picture shows six panels (a, b, c, d, e, and f), each displaying two snapshots of a box moving on a rough flor. forces may b
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!