Numerical from Laws of Motion
Two cars a and b are moving towards each other on horizontal surface.the car a has mass 60 kg and moves towards the right with speed 60 m/s.the car b has mass 1000 kg and move towards the left with a...
View ArticleRelative motion – Problem
A driving instructor tells his student to maintain a 3 second separation between the students car and the car ahead. Suppose the cars are traveling 25m/s. How many meters apart are the cars? If the...
View ArticleProblems from Electricity
The parallel plates of an air filled capacitor with area of area 1.1 x 10^8 m^2 . What must be the width of the plate be if the Capacitance is 1 Farad? Four capacitor each of 2microfarad are connected...
View ArticleA spring is held vertically downward and a current is passed through it ....
A spring is held vertically downward and a current is passed through it . Then the length of the spring : A . increases B. decreases C . does not change D the spring oscillates Answer:...
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