This is the disturbance that passes on energy from one point to another.
chrispohmomanyi answered the question on September 19, 2017 at 11:24
- The number of molecules in 18cm^3 of a liquid is 6 x 10^23. Assuming that the diameter of the
molecules is equivalent to the side of...(Solved)
The number of molecules in 18cm^3 of a liquid is 6 x 10^23. Assuming that the diameter of the
molecules is equivalent to the side of a cube having the same volume as the molecule. Determine
the diameter of the molecule.
Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
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Date posted: September 19, 2017. Answers (1)
- A copper calorimeter of mass 60g is filed with 100g of water at 250C. Steam at a normal
temperature and pressure ( N.T.P) is passed thought...(Solved)
A copper calorimeter of mass 60g is filed with 100g of water at 250C. Steam at a normal
temperature and pressure ( N.T.P) is passed thought the water until a temperature 450C is attained.
The final mass of calorimeter and the contents was found to be 163.5g. Calculate the specific latent
heat of vaporization ‘l’ of water (Specific heat capacity for water is 4200JKg^-1 and for copper is 378Kg^-1K^1)
Date posted: September 19, 2017. Answers (1)
- A body moving initially at 50m/s decelerates uniformly at 2ms-2 until it comes to rest.
What distance does it cover from the time it started...(Solved)
A body moving initially at 50m/s decelerates uniformly at 2ms-2 until it comes to rest.
What distance does it cover from the time it started to decelerate
Date posted: September 19, 2017. Answers (1)
- A accelerates uniformly from it initial velocity, u, the final velocity, v in time t. The distance
traveled during this time is S. If the acceleration...(Solved)
A accelerates uniformly from it initial velocity, u, the final velocity, v in time t. The distance
traveled during this time is S. If the acceleration is denoted by the letter, a show that;
(i) V = u + at
(ii) S = ut + at2
(iii) V2 = u2 + as
Date posted: September 19, 2017. Answers (1)
- An observer A is in a moving vehicle with a siren on while an observer B is stationary on the side
of the road. State the...(Solved)
An observer A is in a moving vehicle with a siren on while an observer B is stationary on the side
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Date posted: September 18, 2017. Answers (1)
- In some petrol engines where spark plugs are used, a capacitor is connected to the distributor.
Suggest the function of the capacitor.(Solved)
In some petrol engines where spark plugs are used, a capacitor is connected to the distributor.
Suggest the function of the capacitor.
Date posted: September 18, 2017. Answers (1)
- Equal masses of water and paraffin with specific heat capacities CW and CP respectively are heated
using identical sources of heat, for the same length of...(Solved)
Equal masses of water and paraffin with specific heat capacities CW and CP respectively are heated
using identical sources of heat, for the same length of time. The final temperature θP of paraffin
was found to be greater than final temperature than of water, Show that CW is greater than CP.
Date posted: September 18, 2017. Answers (1)
- A girl heats 5 kg of water to temperature of 80oC. When she adds m kg of water at 15oC the mixture attains...(Solved)
A girl heats 5 kg of water to temperature of 80oooC. Determine the value of m. (ignore heat changes due to the container)
Date posted: September 18, 2017. Answers (1)
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What characteristics of sound is applied in turning pianos
Date posted: September 18, 2017. Answers (1)
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What measurable quality is associated with colors of light?
Date posted: September 18, 2017. Answers (1)
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Date posted: September 18, 2017. Answers (1)
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State the condition for a minim to occur in an interference pattern
Date posted: September 18, 2017. Answers (1)