Now it's your turn 1 The speed of an electron in orbit about the nucleus of a hydrogen atom is
2.2 x 106m 5-1. It takes 1.5 x 10-16s for the electron to complete one orbit. Calculate
the radius of the orbit.

The variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. in part iii, you will be investigating the questionable baseball. use the drop-down menus to complete the sentences and identify the independent and dependent variables. in part iii, the independent variable, the one that is intentionally manipulated, is . in part iii, the dependent variable, the one that you measure the response in, is

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?