What communication device allows us to communicate with very distant places via telephone?

Rechargeable batteries, such as those in cell phones, lose charge faster the more they are used. What does this indicate about how batteries store electricity? A. They are very efficient at storing electricity. B.

8. The velocity of a car reduces from 30 km/h to 5 km/h as the car approaches a stop sign. This is an example of (positive / negative) acceleration. (circle the correct answer from the parenthesis)

A spaceship is moving east at speed 0.82c relative to earth. a second spaceship is moving west at speed 0.82c relative to earth. what is the speed of one spaceship relative to the other spaceship?

At what speed does a 1200 kg compact car have the same kinetic energy as a 1.80Ã104 kg truck going 22.0 km/hr

Before starting the simulation and having the waves encounter the barrier, the wavelength is manipulated. This is the (1. BLANK) variable. The pattern of diffraction will vary as a result of the change in wavelength.

3. solve the following with regard to significant figures a) 5.8 + 0.125 II) 3.9x105-2.5x104

During a double-slit experiment, you have the option of using either a green laser or a blue laser for your light source.

How much power is used to lift a 1.9 kg brick 1.9 in 2. s

The maximum number of orbits in an atom is

What communication device allows us to communicate with very distant places via telephone?