1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Masteriza [31]
3 years ago
5

____________ is the number of complete movements of a wave per second.

Physics
2 answers:
Citrus2011 [14]3 years ago
8 0

hertz: A unit for measuring frequency, equal to one cycle per second. If a sound wave has a frequency of 20,000 Hz,

dangina [55]3 years ago
8 0

Answer:

it was frequencey

Explanation:

usa test pre

You might be interested in
On a balanced seesaw, a boy three times as heavy as his partner sits
slega [8]

Answer:

1/3 the distance from the fulcrum

Explanation:

On a balanced seesaw, the torques around the fulcrum calculated on one side and on another side must be equal. This means that:

W_1 d_1 = W_2 d_2

where

W1 is the weight of the boy

d1 is its distance from the fulcrum

W2 is the weight of his partner

d2 is the distance of the partner from the fulcrum

In this problem, we know that the boy is three times as heavy as his partner, so

W_1 = 3 W_2

If we substitute this into the equation, we find:

(3 W_2) d_1 = W_2 d_2

and by simplifying:

3 d_1 = d_2\\d_1 = \frac{1}{3}d_2

which means that the boy sits at 1/3 the distance from the fulcrum.

8 0
3 years ago
We have a 10kg ball and a 15kg ball. We drop them from the top of the science building while objects are at rest and there is no
Mashcka [7]
They will hit the ground at the same time, as mass is negligible when calculating the acceleration of gravity when there is no air resistance
3 0
3 years ago
Could an experiment similar to young's two-slit experiment be performed with sound? how might this be carried out? does it matte
Arada [10]
Young's double slit experiment(YDSE) can be used for any kind of waves such as electromagnetic waves, sound waves, water waves, gravity waves. YDSE is based on interference. In this experiment, we make two waves interfere in order to obtain bright and dark fringes on the screen(in case of light).
You can carry this out with water, would be great if you try this at pond or water reservoir in order to see perfect ripples. 

7 0
3 years ago
At what rate does gravity cause objects to accelerate at sea level on earth
VLD [36.1K]

The acceleration due to gravity on Earth is 9.8 m/s per second.

5 0
3 years ago
A boxer punches a sheet of paper in mid air, and brings it from rest up to a speed of 25 m/s in 0.05 s. if the mass of the paper
zepelin [54]
Ok, so you've got to figure out a force F and you have the speed in which the boxer punches on determinate time and the mass of the sheet of paper.

So based on the formula that says that the Force is equal to the mass multiplied by the acceleration => F=ma.
You look at it and see that you only have mass which is measured on KG so there is no problem.
then you have the acceleration which is measured on meters and is defined by: a = Δv/Δt 
So now you can replace the velocity and the time you have there
⇒ a 25m/s / 0.05s 
you have computing that ⇒ 50m because the seconds were cancelled out.
and then you plug the meters into the force equation.
F=(0.005kg)(50)
F=0.25N
so the boxer will have a force of 0.25 Newton's.

6 0
3 years ago
Read 2 more answers
Other questions:
  • An indestructible bullet 2.00cm long is fired straight through a board that is 10.0cm thick. The bullet strikes the board with a
    7·1 answer
  • Which of the following tools is used to observe objects that are very far away? A. a anemometer B. a hand lens C. a microscope D
    10·2 answers
  • Sarah's mom takes a parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile
    14·1 answer
  • A gas cylinder is filled with 4.00 moles of oxygen gas at 300.0 k. the piston is compressed to yield a pressure of 400.0 kpa. wh
    9·1 answer
  • A wave with a high frequency generally has a _____.
    8·1 answer
  • laser light hits two very narrow slits that are separated by 0.1mm adn is viewwed on a screen 2m downstream. Sketch on the axis
    5·2 answers
  • A car accelerates at a rate of 8.8 m/s2 with a force from the tires of 11,968 N.
    12·1 answer
  • The total mass of the wheelbarrow and the road is 80 kg calculate the weight of the wheelbarrow and the road
    12·1 answer
  • A boy takes 20 minutes to cover 3.2 km on a bicycle find the speed in km/hr​
    10·1 answer
  • The reaction K + H2O ⟶ KOH + H2 is an example of?DecompositionSynthesisDouble ReplacementSingle Replacement
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!