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
uranmaximum [27]
3 years ago
9

A step-down transformer providing electricity for a residential neighbor-hood has exactly 2680 turns in its primary. when the po

tential differenceacross the primary is 5850 v, the potential difference at the secondary is120 v. how many turns are in the secondary?
Physics
1 answer:
Fynjy0 [20]3 years ago
6 0
The turns ratio is equal to the voltage ratio. Let n1 and n2 be the primary and secondary turns. Then
5850V/120V=n1/n2
48.75=2680/n2
n2=2680/48.75
n2=55
You might be interested in
Why would you not be able to hear a sound in space?
Sophie [7]
<span>For any sounds to reach your ear, it would need a medium (fluid, solid) to propagate.
(lol u def)</span>
6 0
3 years ago
A body of mass m1 = 1.5 kg moving along a directed axis in the positive sense with a velocity
larisa86 [58]

Answer:

3.71 m/s in the negative direction

Explanation:

From collisions in momentum, we can establish the formula required here which is;

m1•u1 + m2•v2 = m1•v1 + m2•v2

Now, we are given;

m1 = 1.5 kg

m2 = 14 kg

u1 = 11 m/s

v1 = -1 m/s (negative due to the negative direction it is approaching)

u2 = -5 m/s (negative due to the negative direction it is moving)

Thus;

(1.5 × 11) + (14 × -5) = (1.5 × -1) + (14 × v2)

This gives;

16.5 - 70 = -1.5 + 14v2

Rearranging, we have;

16.5 + 1.5 - 70 = 14v2

-52 = 14v2

v2 = - 52/14

v2 = 3.71 m/s in the negative direction

8 0
3 years ago
A 2,300-kg truck is traveling down a highway at 32 m/s. What is the kinetic energy of the truck?
kondor19780726 [428]

m = mass of the truck = 23 00 kg

v = speed of the truck down the highway = 32 m/s

K = kinetic energy of the truck = ?

kinetic energy of the truck down the highway is given as

K = (0.5) m v²

inserting the values

K = (0.5) (2300) (32)²

K = (0.5) (2300) (1024)

K = (1150) (1024)

K = 1177600 J

hence the kinetic energy of the truck comes out to be 1177600 J

6 0
2 years ago
Please Answer these quick!!!! I WILL GIVE BRAINLIEST<br> Do as many as you can!
shepuryov [24]

Answer:

i

said

1 a

2 b

3 a

\idonotcare.net

Explanation:

6 0
2 years ago
While trees are not the largest level in the pyramid of numbers, they are still the base for both the pyramids of biomass and py
Oxana [17]
It is true because <span>A pyramid of biomass is a representation of the amount of energy contained in biomass, at different trophic levels for a given point in time . The amount of energy available to one trophic level is limited by the amount stored by the level below. Because energy is lost in the transfer from one level to the next, there is successively less total energy as you move up trophic levels. Tree is a base as it provides food and energy.</span>
6 0
2 years ago
Other questions:
  • An astronaut notices that a pendulum which took 2.45 s for a complete cycle of swing when the rocket was waiting on the launch p
    6·1 answer
  • Which of these is an example of an elastic collision? A. The cue ball crashing into the eight balls on a pool table. B. Two cars
    9·1 answer
  • When a third object is brought in contact with the first object (after it gains the electrons), the resulting charge on the thir
    13·1 answer
  • The food calorie, equal to 4186 J, is a measure of how much energy is released when food is metabolized by the body. A certain b
    6·1 answer
  • Julie and Ashwin were doing an experiment in the classroom. They
    9·1 answer
  • "When the ball leaves the ramp at Point B, students measure the horizontal" distance traveled. They repeat the experiment five t
    6·1 answer
  • Select the correct answer Which object is an insulator
    11·2 answers
  • How did Albert Einstein come up with 3 = mc square pls help
    9·1 answer
  • Please guys i need help in this
    13·1 answer
  • 21. Explain why a passenger who is not wearing a safety belt will likely hit the windshield in a head-on collision. please answe
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!