What is the gravitational attractive force

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Reference no: EM138074

Q1. A plane speeds up from 42 meters per second to 155meters per second in 57 seconds. Establish an average acceleration of the plane.

Q2. The gravitation attractive force between two masses is F. If the masses are moved to half of their initial distance, what is the gravitational attractive force?

Q3. A screen is placed 1.30 {rm m} behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.70 {rm cm} wide-that is, two first-order diffraction minima are separated by 1.70 {rm cm}.

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