Physics
A truck starts from rest down a hill with a constant acceleration. It achieves 400 meters in 20 seconds. If the weight of the truck is 7 tons then what will be the force acting on it?
Energy consumed in a home is 250 units then the total energy in Joule will be:
In which medium, the speed of sound is maximum?
The potential energy of a freely falling body continuously decreases.
A pair of Oxen exerts a force of 140 newton while ploughing the field. The field ploughed is 15 meter long. The work done in ploughing the length of the field is:
The focal distance of a plane mirror is
Which term in the following does not denote the electric power in electric circuit?
In short circuit, the value of electric current in a time circuit:
What is the device to protect equipments from the electric shock?