The relation between the escape velocity V ESC and orbital speed Vo is given by ??
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An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is ??
When two protons are brought together ??
The relation between horsepower and watt is ??
A man lifts vertically a weight of 40kg through 1m in 10s; while a chile lifts vertically a weight of 10kg through a distance of 1m in 1s. What will be the correct inference ??
The slope of the work time graph is equal to ??
A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ??
The area under the force-displacement graph represents ??
Certain stress applied to an elastic material produces a certain strain in it. If the elastic limit is not exceeded the energy gained per unit volume of the material is given by ??
The propulsion force of a rocket is ??
The ratio stress to strain in youngs modulus of the material then tension is ??