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
rjkz [21]
4 years ago
5

A series of pulses of amplitude 0.25 m are sent down a string that is attached to a post at one end. The pulses are reflected at

the post and travel back along the string without loss of amplitude. What is the amplitude at a point on the string where two pulses cross if the string is rigidly attached to the post? Answer in units of m.
Physics
1 answer:
Klio2033 [76]4 years ago
4 0

Answer:

0m

Explanation:

since the string is rigidly attached to the post, the reflected and incident pulses are of the same amplitude but different polarities. At the point where the two pulses meet, the amplitude will be the addition of that of the incident and the reflected pulses. i.e Amplitude= 0.25 + -0.25=0m

You might be interested in
Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil. What is the voltage in t
Arlecino [84]

Answer:

240 V

Explanation:

number of turns in primary coil, Np = 10

Number of loops in secondary coil, Ns = 20

Voltage in primary coil, Vp = 120 V

Let the voltage in secondary coil is Vs.

So, Vs / Vp = Ns / Np

Vs / 120 = 20 / 10

Vs / 120  = 2

Vs = 240 V

Thus, the voltage in secondary coil is 240 Volt.

4 0
3 years ago
Community Hospital implemented a clinical document improvement (CDI) program six months ago. The goal of the program was to impr
Illusion [34]

Answer:

c. Include ancillary clinical and medical staff in the process

Explanation:

The best way to achieve goal i.e. improve clinical documentation to support the quality of care, data quality, and HIM coding accuracy will be to include the clinical and medical staff in the process since it will train them and motivate them which is the best approach to make everyone understand the importance of the program.

4 0
4 years ago
Tera performed multiple experiments to determine the best growing conditions for Azaleas. In one experiment, she tested the effe
Ira Lisetskai [31]
The answer should be D. Ur right
8 0
3 years ago
Read 2 more answers
Which of the following changes will increase the period of an oscillating spring mass system?
Thepotemich [5.8K]

Answer:

a. an increase in the mass on the spring.

Explanation:

An increase in the mass on the spring will increase the period of an oscillating spring mass system.

Mathematically, the period of an oscillating spring mass system is given by the formula;

T = 2π √(m/k)

Where;

T is the period.

m is the mass of the spring.

k is the spring constant.

Hence, the mass of a spring is directly proportional to the period of oscillation of the spring.

This ultimately implies that, as the mass of the spring increases, the period of oscillation will increase. Similarly, the period of oscillation will decrease with an increase in the spring constant.

7 0
3 years ago
How are wavelength and frequency of a wave related?
Nesterboy [21]
Wavelength is the length from one peak of a wave to the next, while frequency is the amount of waves present in a unit of time. The greater the wavelength the smaller the frequency. The smaller the wavelength, the bigger the frequency.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which items are matter?
    8·1 answer
  • A hungry 900 N bear walks out ona beam in an attempt to
    13·1 answer
  • The atmospheric pressure on the top of the Engineering Sciences Building (ESB) is 97.6 kPa, while that in Room G39-ESB (ground f
    11·1 answer
  • To report the ____ of an object, we must specify both its speed and its direction .
    14·2 answers
  • A particle travels in a straight line with speed v.
    14·2 answers
  • ___ the retention of memory over time is the third stage of long-term memory formation
    15·1 answer
  • Suppose you have an unknown clear substance immersed in water, and you wish to identify it by finding its index of refraction. Y
    15·1 answer
  • A peregrine falcon dives at a pigeon. The falcon starts downward from rest with free-fall acceleration. If the pigeon is 56.0 m
    9·2 answers
  • Atom A and Atom B have the same number of protons and neutrons, but they do not have the same number of electrons.
    11·2 answers
  • 1) A ball is dropped from the Eiffel Tower (300 m), how long would it take for the ball to reach a velocity of 65 m/s? How far d
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!