Physics, 23.11.2019 03:31 lizzyhearts
1)a cyclist travels ¾ of a circular track from a to b as shown in figure. the radius of the circular track is 400 m. calculate the displacement and distance travelled by the cyclist.
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2)two objects having their masses 3: 5 are acted upon by two forces. the forces are in the ration of 5: 3. find the ration in their accelerations.
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3) a man pushes a box of mass 50 kg with a force of 80 n. what will be the acceleration of the box due to the force? what would be the acceleration if the mass were doubled?
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4) how does the force of gravitation between two objects change when the distance between them is reduced to half.
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5) explain what happens to the force between two objects if:
a) the mass of one object is doubled?
b) the distance between the object is tripled.
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6)how will the equations of motion for an object moving with a uniform velocity change?
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7)the force of attraction between two bodies is 20n. calculate the force between them when mass of each body as well as the distance between them are halved.
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Answers: 2
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1)a cyclist travels ¾ of a circular track from a to b as shown in figure. the radius of the circular...
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