Two tuning forks, 254 Hz. and 260 Hz., are struck simultaneously. How many beats will be heard?

8

4

6

Time period of a simple pendulum if it makes 40 oscillations in 20 seconds.

Cuáles son las funciones psiquicas del ser humano?

Suppose you dissolve 4.75 g of another solid (not urea) in 50.0 mL of water. You note that the temperature changes from 25.0 °C to 28.0 °C. Part 1: What is the mass of the solution?

How do the positions of the hot and cold water affect the speed of convection

Eventually, the process approaches a steady state. In that steady state, the charge of the capacitor is not changing. What is the current in the circuit in the steady state?

A wave is a (blank) that carries (blank) from one place to another

The movement of thermal energy from hot to cold materials is called

A jar contains 30 ml of glycerin and 60 ml of corn syrup which liquid is on the top layer

What are optical fibres

Where in the body does neutral, acidic and basic (alkaline) solutions usually exist?