Calculate the gravitational acceleration of a falling object

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Reference no: EM132615525

1) The Moon's radius is 1.74×106 m. Calculate the gravitational acceleration of a falling object near the Moon's surface. (The Moon's mass is 7.36×10²²kg)

 

2) Research: Who determined by experiment the value G and demonstrated conclusively for the first time that ordinary objects have gravitational fields? 

 

3) What force will be necessary to slide a rubber puck of mass 0.55 kg on dry concrete? Use the appropriate coefficients of friction from the previous lesson. 

 

4) Mandy, who has a mass of 65 kg, is gliding to a stop at an initial velocity of 1.5 m/s on her waxed skis on level snow. How far will she glide before she stops? Hint: You will have to calculate the frictional force which is causing her to slow and then calculate the resulting acceleration. 

 

From the previous lesson. Rubber on dry concrete kinetic 0.68 static 0.90. Waxed ski on snow kinetics kinetic 0.05 static 0.14

Reference no: EM132615525

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