3 years ago

Please HELP!!

Physics

1 answer:

Rudik [331]3 years ago

7 0

Answer:

I think is 2.

Explanation:

(The entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light)

You might be interested in

A 10 kg ball is held above a building with a height of 30 m. What is the

Darina [25.2K]

Answer: 2940 J

Explanation: solution attached:

PE= mgh

Substitute the values:

PE= 10kg x 9.8 m/s² x 30 m

= 2940 J

6 0

3 years ago

2. A solid plastic cube of side 0.2 m is submerged in a liquid of density 0.8 hgm calculate the

kotegsom [21]

Answer:

vpg = 0.064 N

Explanation:

Upthrust = Volume of fluid displaced

upthrust liquid on the cube g=10ms−2

vpg =0.2 x 0.2 x 0.2 x0.8 x 10= 0.064N

vpg = 0.064 N

hope it helps.

3 0

3 years ago

Which units are used to express kinetic energy?

labwork [276]

Answer:

The SI units for energy is Joules.

4 0

3 years ago

Read 2 more answers

How do you find input energy with only the efficiency and output energy given?

iris [78.8K]

Answer:

power output/transformer efficiency multiply by 100%

Explanation:

derrive the formula from efficiency=power output/power input multiply by 100%

8 0

3 years ago

An alarm clock draws 0.5 A of a current when connected to a 120 volt circuit. Calculate its resistance

wlad13 [49]

Resistance = (voltage) / (current) =

(120 V) / (0.5 A) = <em>240 ohms</em>

4 0

3 years ago