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
Scilla [17]
2 years ago
10

How long does it take light ray B to reach the girls eye? (speed of light at 3*10^8) And could someone explain why?

Physics
1 answer:
kodGreya [7K]2 years ago
6 0

Explanation:

Using properties of 30-60-90 triangles, the distance from the vase to the mirror is 2/√3, and the distance from the mirror to the girl is also 2/√3.  So the light travels a total distance of 4/√3 meters.

t = d / v

t = (4/√3 m) / (3×10⁸ m/s)

t = 7.7×10⁻⁹ s

You might be interested in
Which career is most concerned with the study of radioactive isotopes?
leonid [27]
<span>The career that is most concerned with the study of radioactive isotopes is chemistry. You need to have passed AP chemistry to actually deal with the isotopes. In a quick reference, isotopes are when the atom has difference amount of neutrons, making the atomic mass differ.</span>
3 0
3 years ago
Drew wants to convert square mils to circular mils in an area calculation. How does he do this?
bija089 [108]

Answer:

i dont know

Explanation:

blah blah blah your welcome

6 0
2 years ago
Which of the following is equivalent to 140 centiliters?
tekilochka [14]
D, 0.140 liters! Hang on a sec and I'll show you a trick I use.
7 0
3 years ago
Read 2 more answers
The woman in the first photo lifts a plant 2 m
Serjik [45]

Answer:

65x2=130

that's what she does

8 0
3 years ago
The energy produced by the internal motion of atoms? electrical , thermal, chemical, nuclear
alekssr [168]

Answer:

Thermal energy, or heat, is the energy that comes from the movement of atoms and molecules in a substance. Heat increases when these particles move faster. Geothermal energy is the thermal energy in the earth. Motion energy is energy stored in the movement of objects. so the answer is thermal energy

6 0
2 years ago
Other questions:
  • Help? Will give thanks if right (thank you)
    6·1 answer
  • The 0.100 kg sphere in (Figure 1) is released from rest at the position shown in the sketch, with its center 0.400 m from the ce
    9·1 answer
  • A parallel-plate capacitor connected to a battery becomes fully charged. After the capacitor from the battery is disconnected, t
    9·1 answer
  • Calculate the magnitude of the force the jumper must exert on the ground to produce an upward acceleration 4.00 times the accele
    9·2 answers
  • g beats can be heard when Question 5 options: when sound waves interfere constructively when sound waves of same frequency inter
    9·1 answer
  • Of the following reactions, which is a fusion reaction?
    7·1 answer
  • Un móvil que viaja a 40 m/s aplica los frenos y desacelera a razón de -0,25 m/seg 2 , ¿Cuánto tiempo le llevo
    11·1 answer
  • Find the inequality represented in the graph
    5·2 answers
  • Carl went on a Euro Trip and was traveling from Spain to Russia. When he looked on the map it said Russia was 7035 km away from
    9·1 answer
  • Escoge la mejor respuesta:
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!