x.) A horizontal force of 350 NN is exerted on a 1.5-kgkgball as it rotates (at arm's length) uniformly in a horizontal circle of radius 0.90 mm. Calculate the speed of the ball. v= ___number?__________ ____units?___________ y.) A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface?
x.) A horizontal force of 350 NN is exerted on a 1.5-kgkgball as it rotates (at arm's length) uniformly in a horizontal circle of radius 0.90 mm.
Calculate the speed of the ball.
v= ___number?__________ ____units?___________
y.) A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass.
What is the acceleration due to gravity near its surface?
gplanet= ____number?____________ _____units?___________
z.) Estimate the acceleration due to gravity at the surface of Europa (one of the moons of Jupiter) given that its mass is 4.9×1022kg4.9×1022kg and making the assumption that its mass per unit volume is the same as Earth's.
gEuropa= _____number?_________ ____units?____________
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