PHYSICS HIGH SCHOOL

A radio wave has a frequency of 5.5 × 104 hertz and travels at a speed of 3.0 × 108 meters/second. What is its wavelength

Answers

Answer 1

Answer: use v=fλ
3x10^8=5.5x 10^4 λ
λ=5.45x10^3m

Answer 2

Answer:

Answer:

5.5 x 10-3 meters

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The type of radiation that will penetrate farthest into a material isA. a beta ray.

B. a gamma ray.

C. an X-ray.

D. an alpha ray.

E. They all penetrate material the same distance

Answers

my answer is E. If am wrong then plz tell me whats the right

A toy cannon uses a spring to project a 5.24-g soft rubber ball. The spring is originally compressed by 5.01 cm and has a force constant of 8.08 N/m. When the cannon is fired, the ball moves 15.8 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.031 0 N on the ball.With what speed does the projectile leave the barrel of the cannon?

Answers

Answer:

Speed will be equal to 1.40 m/sec

Explanation:

Mass of the rubber ball m = 5.24 kg = 0.00524 kg

Spring is compressed by 5.01 cm

So x = 5.01 cm = 0.0501 m

Spring constant k = 8.08 N/m

Frictional force f = 0.031 N

Distance moved by ball d = 15.8 cm = 0.158 m

Energy gained by spring

$KE=(1)/(2)kx^2=(1)/(2)* 8.08* 0.0501^2=0.0101J$

Energy lost due to friction

$W=Fd=0.031* 0.158=0.0048J$

So remained energy to move the ball = 0.0101 - 0.0048 = 0.0052 J

This energy will be kinetic energy

$(1)/(2)mv^2=0.0052$

$(1)/(2)* 0.00524* v^2=0.0052$

v = 1.40 m/sec

Which are examples of transverse waves? Check all that apply. earthquake P-waves earthquake S-waves radio waves sound visible light X-rays

Answers

Earthquake S-wave, radio waves, X Ray's, Visible light are examples of transverse waves.

What are waves?

Wave can be defined as any form of disturbance which is transmitted through a medium and energy is transferred from one medium to another thereby causing displacement of the medium.

A Transverse wave is a type of wave in which the wave there is a vibration of the wave medium which is as a result of the wave movement which now become perpendicular to the direction of the wave.

Therefore, Earthquake S-wave, radio waves, X Ray's , visible light are examples of transverse waves.

Learn more on Transverse waves from the link below.

brainly.com/question/14590048.

earthquake s waves

radio waves

visible light

x-rays

this is the correct answer on edge (i got it right)

What must be your average speed in order to travel 350 km in 5.15 h? *66.0 km/h
67.0 km/h
68.0 km/h
69.0 km/h

Answers

v= s/t

=
5.15/ 350

=68.0 km/h

Sherlock Holmes discovers some hair fiber at a crime scene. He view the hairs through his magnifying glass from a distance of 6 cm. If the hairs are magnified 4.0 times, what is the distance to the magnified image?