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valina [46]
3 years ago
11

Examine the lightbulbs in the circuit below. Write a sentence explaining what would happen if lightbulb A burned out. Repeat thi

s for lightbulbs B, C, and D.

Physics
1 answer:
tatiyna3 years ago
8 0

If the lightbulb A in the circuit shown in the image burned out, the path for the  current to flow is disrupted because one of its terminals is connected direct to the source. So, there will be no current through the lightbulbs B, C, and D, and they will turn off. Similarly it will happen, if the lightbulb D burned out.

If the lightbulb B burned out the current will continue circulating through the lightbulbs A, C, and D, because lightbulb B is connected in parallel. Similarly it will happen, if the lightbulb C burned out.

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In object of mass 30 kg is in freefall in a vacuum where there is no air resistance determine the acceleration of the object
Leto [7]
The free fall acceleration due to the Earth's gravity will always be 9.8m/s^2. So, if this question is taking place on Earth, then the acceleration of an object in free fall is 9.8m/^2.
3 0
3 years ago
A train whistle is 580 Hz when stationary. It is moving away from you at 18.8 m/s. What frequency do you hear?
Natalija [7]

Answer

613.63Hz

Explanation:

Fobs = (V/V-Vsource)Force

V=speed of sound

Fobs= (343/343-18.8)580

Fobs= 613.63Hz

Fobs = frequency observed

brainly.com/question/15339151

8 0
2 years ago
The total mechanical energy of a basketball is 400 J. If the kinetic energy is 286 J, what must the potential energy be?
ch4aika [34]

Answer:

the potential energy is 114 J.

Explanation:

Given;

total mechanical energy, E = 400 J

kinetic energy, K.E = 286 J

The potential energy is calculated as follows;

E = K.E +  P.E

where;

P.E is the potential energy

P.E = E - K.E

P.E = 400 J - 286 J

P.E = 114 J

Therefore, the potential energy is 114 J.

7 0
3 years ago
A wave is traveling through a medium ad it travels it displaces particles of matter in the same direction as the wave is traveli
Tamiku [17]
I think it's longitudinal wave because the particles move parallel to the direction that the wave is traveling. 
7 0
3 years ago
Read 2 more answers
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pickupchik [31]
Using the constant acceleration formula v^2 = u^2 + 2as, we can figure out that it would take a distance of 193.21m to reach 27.8m/s

3 0
3 years ago
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