The study of the origin, large-scale structure, and future of the universe is termed

Most people refer to JFIF images as ______.

A. JPEGs B. vector images C. PNGs D. WebPs

A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is parallel to the magnetic field?

A) zero B) 0.41 m?N C) 0.47 m?N D) 0.52 m?N E) 0.59 m?N

Two conductors made of the same material are connected across the same potential difference. Conductor A has twice the diameter and twice the length of conductor B. What is the ratio of the power delivered to A to the power delivered to B?

1.8 2.4 3.2 4.1 5.12

The normal force is always vertical

Indicate whether the statement is true or false