anonymous
  • anonymous
How does the strength of an electromagnet depend on the current and the number of turns in the coil?
Physics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
During a race, a runner runs at a speed of 6 m/s. 2 seconds later, she is running at a speed of 10 m/s. What is the runner’s acceleration?
anonymous
  • anonymous
If you ride your bike at an average speed of 4 km/h and need to travel a total distance of 28 km, how long will it take you to reach your destination?
anonymous
  • anonymous
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work.

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
As 390 g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment. What is the temperature change of the milk? The specific heat of milk is 3.9 J/g•°C. Show your work.
anonymous
  • anonymous
1. A solenoid is a electromagnet. From \[B=\mu \times n \times i\] B-strength of magnetic field. u-permeability of the core. n-number of turns. i-current. You can see why 'B' depends on 'i' and 'n'.
anonymous
  • anonymous
2. If the acceleration is constant , a=10-6/2 i.e \[2 m/s ^{2}\]
anonymous
  • anonymous
3. The definition of avg.speed is total distance traveled divided by the total time taken.
anonymous
  • anonymous
4. The kinetic energy is getting converted to potential energy. So, decrease in kinetic energy=increase in potential energy.\[1/2\times m \times v ^{2} = m \times g \times h\] Now mgh is your answer.
anonymous
  • anonymous
\[Q=m \times c \times \Delta T\] Q- heat exchanged. m- mass. c- specific heat. delta(T)-change in temperature.

Looking for something else?

Not the answer you are looking for? Search for more explanations.