If you can see the conductor in a lamp should you use it or not?

If a single circular loop of wire carries a current of 61 A and produces a magnetic field at its center with a magnitude of 1.30 10-4 T, determine the radius of the loop.

What is one benefit of exercise for teenagers? Question 11 options: Stronger bones More injuries Increased chance of heart disease Weakened immune system

What is the uses of echoes?

Why can we sometimes see the moon during the day

A baseball pitcher is on the mound preparing for the pitch. Which of Newton's law is demonstrating by the ball before it is thrown? A. Newton's 1st law B. Newton's 2nd law C. Newton's 3rd law D. Newton's law of gravity

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.

When combing your hair, you scuff electrons from your hair onto the comb. is your hair then positively or negatively charged? how about the comb?