One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?

4. What is malleability? A) The ability of steel to stretch. B) The ability of steel to be shaped. C) The process of heating steel to induce a change in properties D) A measure of how much work it takes to break a sample of steel

A car slows down uniformly from a speed of 28.0 m/s to rest in 8.00 s. How far did it travel in that time?

The hydrogen atom consists of a proton of mass 1.67x10-27 kg and an orbiting electron of mass 9.11x10-31 kg. In one of its orbits, the electron is 5.3x10-11 m from the proton.

Which radio wave technologies would be unaffected by satellites that are not working properly? A. space communication and television broadcasting B. television broadcasting and GPS C. MRI and radio telescopes D.

A pendulum takes 10 seconds to swing through 2 complete cycles. a. How long does it take to complete one cycle? b. What is its period? c. What is its frequency?

Question 11 1 pts Nuclear power plants rely on to generate power. O climate change O fusion Ofission O coal

Which of the following is not a characteristic that geologists use to identify minerals? A. Softness B. Color C. Streak D. Fracture

To practice Tactics Box 10.1 Calculating the work done by a constant force. To find the work done on an object by a force, begin with a visual overview and follow Tactics Box 10.1.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore