If an object at a distance 6.4 x 10⁶m from the centre of earth weighs 10N, what will be its weight when it is shifted to the distance of 1.28 ×10⁷m from the centre of the earth? ​

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem