# 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

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- Q1Identify the variables given in the scenario above.a, m, FF, d, ad, v, ad, m, F120s112.39.c.5.b
- Q2What equation is necessary to solve for the gravitational force?F=mav=d/tF=G(m1)(m2)/r^2a=(vf-vi)/t120s112.39.c.5.b
- Q3According to the information above, which expression best represents the value of the gravitational force at d/2?2F/39F/24F/3F/3120s112.39.c.5.b
- Q4If 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 N5.8x10^5 N1.7x10^6 N6.9x10^6 N120s112.39.c.5.b
- Q5What would an acceleration vs force graph look like for the comet?Straight line with negative slopeCurved line with positive, decreasing slopeCurved line with positive, increasing slopeStraight line with positive slope120s112.39.c.5.b