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
BlackZzzverrR [31]
3 years ago
8

Ask Your Teacher In a choir practice room, two parallel walls are 4.00 m apart. The singers stand against the north wall. The or

ganist faces the south wall, sitting 0.680 m away from it. To enable her to see the choir, a flat mirror 0.600 m wide is mounted on the south wall, straight in front of her. What width of the north wall can the organist see
Physics
1 answer:
igomit [66]3 years ago
5 0

Answer: 4m

Explanation:

Since the angle of incidence of a plane mirror can be anything from 0 to 90°

Assuming that the place is a perfectly square 4×4m room

The incident ray would be 45° for the choir(object) at a 4m distance, this is still within the range of values.

We do not forget also, that the focal length of a plane mirror is infinity, the organist would in fact see farther than 4m if need be. And wider

You might be interested in
HELP PLS
melisa1 [442]

Answer:

red I think

Explanation:

it's on red so I googled some of it and the closest was red

4 0
3 years ago
Diamonds are usually found in pipes 50 to 200 m across made of ________.
Leokris [45]
I believe the correct answer would be kimberlite. Diamonds are usually found in pipes 50 to 200 m across made of kimberlite. It is an igneous rock that is known to contain traces of diamonds. It is named base on the town where it was discovered which is Kimberley, South Africa. 



7 0
3 years ago
kristine speeds past a parked police car at 32 m/s. The police car starts from rest with a uniform acceleration of 2.5 m/s^2. Ho
Digiron [165]

32 = 0 \times t +  \frac{1}{2} \times 2.5 \times t^{2}     \\  32 = 0 + 1.25 \times t {}^{2}  \\ 32 = 1.25t {}^{2}   \\   \frac{32}{1.25}  =  \frac{1.25t {}^{2} }{1.25}  \\ t {}^{2}  = 25.6 \\  \sqrt{t {}^{2} }  =  \sqrt{25.6}  \\ t = 5.1seconds \\

7 0
3 years ago
How do hydrogen bonds affect boiling points?
wel

Answer:

I would say A but am not sure

7 0
3 years ago
What is the mass of something that weighs 300 N on earth
jeka57 [31]

Answer:

30.5810 kg

Explanation:

6 0
3 years ago
Other questions:
  • The relationship between mass and inertia is described by newton's second law of motion. true or false
    15·1 answer
  • $3.49/ gallon and other is $1.25/L which container of milk is a better deal
    7·2 answers
  • According to Newton’s Third Law of Motion, how are action and reaction forces related. Provide a full explanation with an exampl
    13·1 answer
  • How much work is accomplished when a force of 400 N pushes a box across the floor for a distance of 10 meters?
    14·1 answer
  • calculate the momentum of 5.07 kg egg that is dropped from a roof and falls 2 seconds before hitting the ground.
    5·1 answer
  • What influences the strength of an electric field?
    12·2 answers
  • How fast would a 2-kilogram object need to move to have the same kinetic
    15·1 answer
  • A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is crawling on an adjacent wal
    15·1 answer
  • In a “minute to win it” game, cards are placed between cups to stack them. The contestant then pulls the card out in hopes that
    9·2 answers
  • What are sound detectors?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!