Contrast balanced and unbalanced forces.

If a star is 10 light-years away from us and it explodes today, when will we know that it exploded? today 10 years from today 10 parsecs from today

8. What factor IS NOT a part of the highway traffic system?

Sully uses a battery and a coil of wire to create an electromagnet. Using the same materials, if he wants to increase the strength of his electromagnet, he must the number of loops in the coil of wire along its length.

List the properties of the following fibres: a. cotton b. jute c. synthetic fibres

The nucleus of a copper atom has 29 protons and 35 neutrons. What is the total charge of the nucleus?

In the physics of motion a force acting over a distance is?

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

An accelerating voltage

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.