a) From the graph, maximum displacement (a) = 0.4 cm
b) From the graph, period T = time for one cycle = 0.20 seconds So f = 1 / T = 1 / 0.20 = 5 Hz.
c) Velocity = frequency x wavelength hence wavelength = 2 / 5 = 0.4 m.
Mutiso answered the question on October 12, 2018 at 11:32
- A rope is displaced at a frequency of 3 Hz. If the distance between two successive crests of the wave train is 0.8 m, calculate...(Solved)
A rope is displaced at a frequency of 3 Hz. If the distance between two successive crests of the wave train is 0.8 m, calculate the speed of the waves along the rope.
Date posted: October 12, 2018. Answers (1)
- Outline the characteristics of waves(Solved)
Outline the characteristics of waves
Date posted: October 12, 2018. Answers (1)
- Define transverse and longitudinal pulses and waves giving suitable illustrations(Solved)
Define transverse and longitudinal pulses and waves giving suitable illustrations.
Date posted: October 12, 2018. Answers (1)
- Two identical springs, whose spring constant is 6.0 N/cm, are used to support a load of 60 N as shown below. Determine the extension of...(Solved)
Two identical springs, whose spring constant is 6.0 N/cm, are used to support a load of 60 N as shown below. Determine the extension of each spring.
Date posted: October 12, 2018. Answers (1)
- A body of 200 g was hung from the lower end of a spring which obeys Hooke’s law. Given that the spring extended by...(Solved)
A body of 200 g was hung from the lower end of a spring which obeys Hooke’s law. Given that the spring extended by 100 mm, what is the spring constant for this spring?
Date posted: October 12, 2018. Answers (1)
- A load of 4 N causes a certain copper wire to extend by 1.0 mm. Find the load that will cause a 3.2 mm extension...(Solved)
A load of 4 N causes a certain copper wire to extend by 1.0 mm. Find the load that will cause a 3.2 mm extension on the same wire. (Assume Hooke’s law is obeyed).
Date posted: October 12, 2018. Answers (1)
- If the springs shown below are similar and the constant of proportionality (k) is 100 Nm-1, determine total extension in each arrangement. (Solved)
If the springs shown below are similar and the constant of proportionality (k) is 100 Nm-1, determine total extension in each arrangement.
Date posted: October 12, 2018. Answers (1)
- Applications of the force on a conductor(Solved)
Applications of the force on a current carrying conductor.
Date posted: October 12, 2018. Answers (1)
- State the factors affecting the magnitude of the force on a current carrying conductor(Solved)
State the factors affecting the magnitude of the force on a current carrying conductor
Date posted: October 12, 2018. Answers (1)
- What is an electromagnet?(Solved)
What is an electromagnet?
Date posted: October 12, 2018. Answers (1)
- Magnetic field due to solenoid(Solved)
Magnetic field due to solenoid
Date posted: October 12, 2018. Answers (1)
- Rules for determining the direction of the lines of force(Solved)
Rules for determining the direction of the lines of force.
Date posted: October 12, 2018. Answers (1)
- A vertical object 5 cm high is placed 10 cm in front of a convex mirror of focal length 15 cm. find the position, size...(Solved)
A vertical object 5 cm high is placed 10 cm in front of a convex mirror of focal length 15 cm. find the position, size and nature of image formed. Determine the magnification of the image.
Date posted: October 12, 2018. Answers (1)
- Determine the size, position and nature of the image of an object 5.0 cm tall, placed on the principal axis of a concave mirror of...(Solved)
Determine the size, position and nature of the image of an object 5.0 cm tall, placed on the principal axis of a concave mirror of focal length 15 cm, at a distance 35 cm from the mirror.
Date posted: October 12, 2018. Answers (1)
- State the applications of curved reflectors(Solved)
State the applications of curved reflectors
Date posted: October 12, 2018. Answers (1)
- Location of images using ray diagrams(Solved)
Location of images using ray diagrams.
Date posted: October 12, 2018. Answers (1)
- What are parabolic mirrors?(Solved)
What are parabolic mirrors?
Date posted: October 12, 2018. Answers (1)
- Name the parts of a spherical mirror(Solved)
Name the parts of a spherical mirror.
Date posted: October 12, 2018. Answers (1)
- Illustrate concave and convex mirrors with aid of diagrams(Solved)
Illustrate concave and convex mirrors with aid of diagrams
Date posted: October 12, 2018. Answers (1)
- Explain three states of equilibrium with aid of diagrams(Solved)
Explain three states of equilibrium with aid of diagrams.
Date posted: October 12, 2018. Answers (1)