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
wel
3 years ago
11

what must be the distance between source of sound and mountain to give an echo in 5 seconds ? ,(speed of sound at 0°c=33m\sec​

Physics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

distance must be = 330 × 5/2

= 330×2.5

=825m

You might be interested in
If the 250 kg bumper car that you are riding in hits another bumper car that is sitting still while driving 3.5 m/s, how much fo
Vilka [71]

Answer:

875 N

Explanation:

From this question, you didn't state the time taken for the bumper car to move or to hit the other bumper car. In calculations of force, time is often needed, because

Force = mass * acceleration, while

Acceleration = velocity / time, basically

Force = mass * velocity / time.

We have our mass, we have our velocity, but we haven't time. So, for this calculation, I'd assume our time to be 1s.

Going by the formula I stated, we can then say that

Force = 250 * 3.5 / 1

Force = 875 N

This means the force my bumper car have while moving at 3.5 m/s for an estimated time of 1s is 875 N

3 0
3 years ago
Help! 20 points of a test!
mamaluj [8]

Answer:

t=6

Explanation:

Multiply to remove the variable from the denominator.

4 0
3 years ago
Read 2 more answers
What formula allows you to calculate the x component of a projectile?
Kay [80]

X-component of a projectile in flight =

(initial x-component)

plus

(initial horizontal component of velocity) x (flight time so far)

8 0
3 years ago
Read 2 more answers
Which best explains why elements with a completely full outer shell of electrons do not usually bond with other elements to form
Alla [95]

The best answer is C.

The stability of atoms depends on whether or not their outermost shell is filled with electrons. If the outer shell is filled with electrons, the atom is stable and therefore they do not need to react  with other elements to become stable.

On the other hand, atoms with unfilled outer shells are unstable, and will usually form chemical bonds with other atoms to achieve stability. To achieve stability, atoms will form two types of chemical  bonds called ionic bonds and covalent bonds.





8 0
3 years ago
Conversion: The weather report this morning stated there is a thick fog in
tangare [24]

Answer: 0.1524 km

Explanation:

We have to convert 500 ft to kilometers, and we can do it knowing 1 ft=0.30 48 m and 1 km=1000 m:

500 ft \frac{0.3048 m}{1 ft} \frac{1 km}{1000 m}

Hence:

500 ft=0.1524 km

6 0
3 years ago
Other questions:
  • Which statement is the contrapositive of:
    14·1 answer
  • How far below an initial straight-line path will a projectile fall in one second
    8·1 answer
  • Me kitten runs 40 meters in 8 seconds what is his speed?
    8·2 answers
  • Which of the following causes an object to move in a curved path?
    12·2 answers
  • Calculate the gravitational potential energy of the interacting pair of the Earth and a 11 kg block sitting on the surface of th
    10·1 answer
  • A baseball approaches home plate at a speed of 44.0 m/s, moving horizontally just before being hit by a bat. The batter hits a p
    15·1 answer
  • A river flows due east with a speed of 3.00 m/s relative to earth. The river is 80.0 m wide. A woman starts at the southern bank
    15·1 answer
  • Order these sounds from loudest (1)
    9·2 answers
  • a block (mass 0.6kg) is released from rest at point A at the top of a ramp inclined at 36.9 degress above the horizontal. The bl
    15·1 answer
  • Change.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!