The sagging of overhead electrical cables is the consequence of
The sagging of overhead electrical cables is the consequence of A. linear expansivity B. superficial expansivity C. cubic…
Browsing Category
Answers
44896 posts
The potential energy in an elastic string of force constant K which has been extended…
The potential energy in an elastic string of force constant K which has been extended by X metres…
The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate…
The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate the power of…
The velocity ratio of an inclined plane, inclines at an angle (theta) to the horizontal…
The velocity ratio of an inclined plane, inclines at an angle (theta) to the horizontal can be expressed…
A stone of mass 2.0kg is thrown vertically upward with a velocity of 20.0 ms-1,…
A stone of mass 2.0kg is thrown vertically upward with a velocity of 20.0 ms-1, calculate the initial…
Which of the following statements about the mouth piece of a telephone is correct? It…
Which of the following statements about the mouth piece of a telephone is correct? It converts sound energy…
A force acting on a body causes a change in the momentum of a body…
A force acting on a body causes a change in the momentum of a body from 12 kg…
Which of the following quantities is a vector?
Which of the following quantities is a vector? A. speed B. distance C. energy D. momentum Correct Answer:…
A car accelerates uniformly from rest at 5 ms-2. Determine its speed after 10s
A car accelerates uniformly from rest at 5 ms-2. Determine its speed after 10s A. 50.0ms-1 B. 25.0ms-1…
Uniform speed occurs when there is equal change of
Uniform speed occurs when there is equal change of A. distance in equal times B. displacement in equal…