Check the correctness of the term H equal 2 Sigma cos theta divided by r square DG

The square loop shown in the figure moves into a 0.80 T magnetic field at a constant speed of 10 m/s. The loop has a resistance of 0.10 Ω, and it enters the field at t = 0 s.

Noah and Nina are 15 m apart in a closed room. Noah says the same sentence twice. The first time, Nina does not hear the sound, but she does hear the sentence the second time.

You are in IMC and have two-way radio communications failure. If you do not exercise emergency authority, what procedure are you expected to follow?

When a puddle dries up what are the particles really doing

How does the ringing sound of a telephone travels from the phone to your ears?

Why do stars appear to move through the night sky at the rate of 15 degrees per hour?

What is a Ramjet engine?

An airplane started at a distance of 20 km from Chicago and flew directly away from it. 10 minutes later, the airplane was 55 km from Chicago. If dis the distance of the airplane from Chicago, what is Ad? A. 10 km B. 55 km C. 35 km D. 20 km

An alpha particle travels at a velocity of magnitude 550 m/s through a uniform magnetic field of magnitude 0.045T. (An alpha particle has a charge of charge of + 3.2 x 10-19 C and a mass 6.

A woman tries to put lipstick in the car. She has to come to a fast stop, and the lipstick falls to the floor and rolls forward, under the brake pedal. She dies. Why does this happen?