What is the mass number of a potassium atom that has 20 neutrons

A 0.013-kg record with a radius of 15 cm rotates with an angular speed of 28 rpm. find the angular momentum of the record.

Why can't you feel rhe force of attraction between you and mars

If one charge is quadrupled, what happens to the force between charges?

What is the atomic number of 24 and 12 Mg

A wave with low frequency would have relatively

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.