# P5.B Progress Check 3

## Quiz by ALEJANDRO URBY

High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)

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5 questions
Show answers
• Q1
Identify the variables given in the scenario above.
a, m, F
F, d, a
d, v, a
d, m, F
120s
112.39.c.5.b
• Q2
What equation is necessary to solve for the gravitational force?
F=ma
v=d/t
F=G(m1)(m2)/r^2
a=(vf-vi)/t
120s
112.39.c.5.b
• Q3
According to the information above, which expression best represents the value of the gravitational force at d/2?
2F/3
9F/2
4F/3
F/3
120s
112.39.c.5.b
• Q4
If the mass of the sun is 9.989x10^30kg and the mass of the comet is 6.5x10^8kg at a distance of 5x10^11m before losing two thirds of its mass and decreasing the distance by half, what is the gravitational force after approaching the sun d/2? (G= 6.673x10^-11)
2.3x10^6 N
5.8x10^5 N
1.7x10^6 N
6.9x10^6 N
120s
112.39.c.5.b
• Q5
What would an acceleration vs force graph look like for the comet?
Straight line with negative slope
Curved line with positive, decreasing slope
Curved line with positive, increasing slope
Straight line with positive slope
120s
112.39.c.5.b

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