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
pentagon [3]
3 years ago
6

A coil of wire with a current is called a(n)

Physics
1 answer:
Nutka1998 [239]3 years ago
5 0
It is called an electromagnet. 
You might be interested in
Greg throws a 2.8-kg pumpkin horizontally off the top of the school roof in order to hit Mr. H's car. The car has parked a dista
Igoryamba

Answer:

The horizontal velocity is v = 9.2 m/s

Explanation:

From the question we are told that

     The mass of the pumpkin is  m = 2.8 \ kg

      The distance of the the car from the building's base is  d = 13.4 \ m

       The height of the roof is h = 10.4 \ m

       

The height is mathematically represented as

         h = \frac{1}{2} gt^2

Where g is the acceleration due to gravity which has a value of g =9.8 \ m/s^2

substituting values

          10.4= 0.5 * 9.8 * t

making the time taken the subject of the formula

         t = \frac{10.4}{0.5 * 9.8 }

          t = 1.457 \ s

The speed at which the pumpkin move horizontally can be represented mathematically  as

                         v = \frac{d}{t}

substituting values

                     v =\frac{13.4}{1.457}

                     v = 9.2 m/s

7 0
2 years ago
A rock is lifted by a machine to a height of 10m. If it has a mass of 22 kilograms
zmey [24]

Answer:

2156J

Explanation:

Given parameters:

Height of lift  = 10m

Mass  = 22kg

Unknown:

Work done by the machine  = ?

Solution:

Work done is the force applied to move a body through a certain distance.

So;

        Work done  = Force x distance

Here;

       Work done  = mass x acceleration due to gravity x height

      Work done  = 22 x 9.8 x 10  = 2156J

5 0
3 years ago
3. How do astronomers explain the lack of a meteorite in Tunguska? What evidence exists to support this
Vaselesa [24]
No traces of a meteorite were found, it many scientists concluded that the culprit was a comet. Comets, which are essentially muddy ice balls, could cause such a devastation and leave no trace.

But now, 105 years later, scientists have revealed that the Tunguska devastation was indeed caused by a meteorite. A group of Ukrainian, German, and American scientists have identified its microscopic remains. Why it took them so many years makes for a fascinating tale about the limits of science and how we are pushing them.
4 0
2 years ago
Which of the following is an example of speed?
Arturiano [62]
The cat has a speed. The truck and the bicycle both have velocity. We can't be sure of what the plane has.
6 0
3 years ago
1. What does a football player need to do to change the position of the football?​
exis [7]

Answer:

Yes, since formations aren't mentioned at all in the rules, they can be adjusted. Sometimes when making a substitution, a coach will sub in a defender for an attacker/midfielder if the team is ahead and wants to protect their lead....

Explanation:

8 0
2 years ago
Other questions:
  • Who created a steel plow
    12·2 answers
  • Analyze the following terms and phrases about solar activity. Select the two that represent correct matches between cause and ef
    6·1 answer
  • Does voltage remain the same throughout a series circuit
    6·2 answers
  • Determine the mass of Ar in 1.00 liter of a gas mixture at 25oC which contains 0.300 atm of Ne and has a total pressure of 4.00
    9·1 answer
  • CAN SOMEONE HELP ME​
    9·1 answer
  • a. Define Valency. b. Write the symbol and valency of the following : (i) Oxygen (ii) potassium 7. a. Magnesium burns in Oxygen
    15·2 answers
  • Tony is creating a model showing how Earth rotates over the course of one day. He uses a globe to represent Earth.
    14·1 answer
  • Which of the following is NOT true about essential body fat? A. The human body would not function normally without essential bod
    7·2 answers
  • Which object most likely has magnetic domains like those shown in the image? A. A piece of wood near a magnet
    6·2 answers
  • Are the two bulbs acting as current dividers or potential dividers? Explain your answer​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!