10. If the of an object is great enough and its is small enough then escape spee
ID: 1388752 • Letter: 1
Question
10. If the of an object is great enough and its is small enough then escape speeds may exceed the . This results in a ________________________ 3 11. (a) Given the mass of Jupiter is 190x10^27 kg, and that Jupiter has an equatorial radius of 71,492 km what is the acceleration due to gravity on Jupiter? (b) How much would a 135 lb person weigh on Jupiter (1 kg = 2.2 lb)? 13.AppLy conservation principles to find the initial speed vi of a 10.5 g bullet shot into a 2.55 kg block attached to a spring with a force constant of 245 N/m, given that the max compression of the spring caused by the bullet Is 17.5 cm.Explanation / Answer
11)
a)
M=1.9*10^27 kg
R=71492 Km
the acceleration due to gravity
g=G*M/R^2
=6.67*10^-11*1.9*10^27/(71492*10^3)^2
=24.79 m/sec
=24.8 m/sec
b)
w=m*g
=(135/2.2)*24.8
=1521.82 N
13)
by using conservation of energy
1/2*m*v^2=1/2*k*x^2
m*v^2=k*x^2
10.5*10^-3*v^2=245*(17.5*10^-2)^2
====>
v=845.33 m/sec
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