I want to know the formula of the fermi velocity

A sound wave has a frequency of 440 Hz. What is the period of this sound wave?

How much force is needed to accelerate a 3kg book in 15m/s

Five 16 resistors are connected in series across a 120 v generator. what is the equivalent resistance of the circuit?

What is subduction current?

The greatest amount of energy Listed down here 1. joule 2. watt 3. watt-hour 4. newton-meter

Which of the following scientists is incorrectly paired with their major discovery? Henri Becquerel - radioactivity Charles Darwin - theory of evolution James Hutton - rock cycle Charles Lyell - faunal succession

What units are used in the periodic table for atomic mass?

A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

It takes 9 seconds for a 10 newton force to move an object 4 meters to the right. What are the direction and magnitude of this force? A. The direction is to the right. The magnitude is 9 seconds. B. The direction is 4 meters.

West of a city, a certain eastbound route is straight and makes a steep descent toward the city. The highway has a 14% grade, which means that its slope is - 14 100.