In the bohr model of the hydrogen atom, the speed of the electron is approximately 2.48 * 106 m/s. find the central force acting on the electron as it revolves in a circular orbit of radius 4.8 * 10-11 m. answer in units of n.

What happens to the resistance of a filament if it is replaced by a shorter wire?

In order for work to be done, a force must cause movement true or false

Blocking a shot in Basketball is an example of force because ...

A solid conducting sphere is given a positive charge q. How is the charge q distributed in or on the sphere?

What happens to energy "lost" during an energy transformation?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.

Explain what each of the following scientists contribute to the atomic theory

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy? a. the heat released from a living organism: potential energy b.

What should you do when operating a boat in large waves and high wind?