Problem 5: One ball of mass 0.600 kg traveling 9.00 m/s to the right collides head on elastically with a second ball of mass 0.300…
Problem 4: A 0.4 kg ball traveling with the speed of 15 m/s strikes a rigid wall and rebounds elastically. If the ball is in…
Problem 3: A car moving at 20.0 m/s (72.0 km/h) crashes into a tree. Find the magnitude of the average force acting on a passenger…
Problem 2: A helicopter is ascending vertically at a speed of 19.6 m/s. When it is at a height of 156.8 m above the ground,…
Problem 1: An object is falling freely under the gravity. How much distance will it travel in 2nd and 3rd seconds of its journey? Explanation…
Numerical Problems on Forces and Motion See here solved numerical problems of Forces and Motion included in the Physics course for grade 11. Problem 1An…
Question 2: If a vector is multiplied by a positive scalar, how the result is related to the original vector? How if the scalar is…
10.4 Heat and Work in thermodynamics Heat and work in thermodynamics are two distinct but mutually related concepts. Heat Heat is a form of energy…
Work in thermodynamics For a mechanical system, work is the action of a force on an object through some distance. In a thermodynamic system, work…
Definition of Thermodynamics Thermodynamics is the branch of Physics which deals with the relationships of heat and other forms of energy. Heat is a form…