Beat frequency f = f2 – f1 F = f2 – f1
= 258 – 256 256 – 258
= 2Hz =/-2/ = 2.
Githiari answered the question on September 25, 2017 at 17:19
-
An electric pump can raise water from a low level reservoir to the higher – level reservoir at the rate of 3.0 x 10^5 kg...
(Solved)
An electric pump can raise water from a low level reservoir to the higher – level reservoir at the rate of 3.0 x 10^5 kg per hour.The vertical height of the water raised 360m.If the rate of energy loss in form of heat is 200KW, determine the efficiency of the pump.
Date posted:
September 25, 2017
.
Answers (1)
-
Two tuning forks are sounded together. What is the condition for the beats to be heard
(Solved)
Two tuning forks are sounded together. What is the condition for the beats to be heard
Date posted:
September 25, 2017
.
Answers (1)
-
Explain any two applications of electromagnets
(Solved)
Explain any two applications of electromagnets.
Date posted:
September 25, 2017
.
Answers (1)
-
State Fleming’s right-hand rule or the motor rule
(Solved)
State Fleming’s right-hand rule or the motor rule
Date posted:
September 25, 2017
.
Answers (1)
-
State factors that affect the strength of the electromagnet in the solenoid
(Solved)
State factors that affect the strength of the electromagnet in the solenoid
Date posted:
September 25, 2017
.
Answers (1)
-
State right hand grip rule for a loop.
(Solved)
State right hand grip rule for a loop.
Date posted:
September 25, 2017
.
Answers (1)
-
State Maxwell Right hand grip rule for a straight conductor carrying current.
(Solved)
State Maxwell Right hand grip rule for a straight conductor carrying current.
Date posted:
September 25, 2017
.
Answers (1)
-
State ampere's swimming rule.
(Solved)
State ampere's swimming rule.
Date posted:
September 25, 2017
.
Answers (1)
-
Explain why laboratory retort stands are made with a wide heavy base.
(Solved)
Explain why laboratory retort stands are made with a wide heavy base.
Date posted:
September 25, 2017
.
Answers (1)
-
State two ways in which the stability of a body can be increased.
(Solved)
State two ways in which the stability of a body can be increased.
Date posted:
September 25, 2017
.
Answers (1)
-
How does oil reduce friction in moving parts of a machine?
(Solved)
How does oil reduce friction in moving parts of a machine?
Date posted:
September 25, 2017
.
Answers (1)
-
The reading on a burette is 7.6 cm3. Three drops of water each of volume 0.6 cm3 drops out. Find the new reading.
(Solved)
The reading on a burette is 7.6 cm3. Three drops of water each of volume 0.6 cm3 drops out. Find the new reading.
Date posted:
September 25, 2017
.
Answers (1)
-
How to calculate capacitance
(Solved)
How can one calculate capacitance?
Date posted:
September 25, 2017
.
Answers (1)
-
Define moment of a force?
(Solved)
Define moment of a force?
Date posted:
September 25, 2017
.
Answers (1)
-
Two thin blankets are warmer than a single thick one. Explain.
(Solved)
Two thin blankets are warmer than a single thick one. Explain.
Date posted:
September 25, 2017
.
Answers (1)
-
How does the shiny surface of the thermos flask reduce heat loss.
(Solved)
How does the shiny surface of the thermos flask reduce heat loss.
Date posted:
September 25, 2017
.
Answers (1)
-
Explain why flames go up.
(Solved)
Explain why flames go up.
Date posted:
September 25, 2017
.
Answers (1)
-
Differentiate between a beam and ray of light.
(Solved)
Differentiate between a beam and ray of light.
Date posted:
September 25, 2017
.
Answers (1)
-
What is a ray of light?
(Solved)
What is a ray of light?
Date posted:
September 25, 2017
.
Answers (1)
-
State factors which determine the type of shadow formed.
(Solved)
State factors which determine the type of shadow formed.
Date posted:
September 25, 2017
.
Answers (1)