1. If all four switches below are turned on, which light bulb will light up? (W is wood, S is silver, and Yis yarn.)

Electronic signals that pulse current in a series of ones and zeros are known as

grandymaker [24]

The answer is Digital Signals. Electronic signals that pulse current in a series of ones and zeros are known as Digital Signals. A digital signal refers to an electrical signal that is converted into a pattern of bits. Digital signals can be sent for long distances and suffer less interference than analog signals.

4 0

3 years ago

Do electromagnetic waves require matter to travel?

VMariaS [17]

Answer:

No.

Explanation:

Electromagnetic waves do not require a medium of matter to move through, electromagnetic waves are used in things like your cell phone and telecommunications.

6 0

2 years ago

An airplane flies with a constant speed of 560 miles per hour. How far can it travel in 1 1/2 hours?

Alik [6]

You would multiply the speed by the time. So the answer would be 840 miles.

5 0

3 years ago

Mercury, a planet in our Solar System, and Callisto, a moon of the planet Jupiter, are about the same size. However, Mercury’s m

TiliK225 [7]

You may jump higher because the more the mass of the planet, the more gravitational force. There is less mass(and gravity) on Callisto so you wouldn’t be weighed down as much and can jump higher. Whereas on Jupiter there is more weight holding you down.

3 0

3 years ago

Read 2 more answers

an empty density bottle weighed 23.5 and 48.4g when filled with water .The empty bottle was partially filled with sand until and

gavmur [86]

Answer:

Density of Sand is $2.653g/cm^{3}$ .