* Question Completion Status: QUESTION 1 The density (p) of a substance is defined as its mass (m) per unit volume: p = m / V, where V is the volume of the substance. A rod extending between x = 0 and x = 8.29 cm has uniform cross-sectional area A = 1.58 cm. Its density increases steadily between its ends from 11.5 g/cm to 18.4 g/cm3. Identify the mass of the rod in kg. 10 points Save Answer QUESTION 2 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. Average velocity is defined as travel time divided by the displacement. Average velocity = Ax / At Average velocity = Ax + At Average velocity is defined as travel distance divided by the travel time. Average velocity = At \\ Ax Average velocity is defined as displacement divided by the travel time. Average velocity = Ax At Average velocity = At Ax Average velocity = At / Ax Average velocity = Ax - Ata; Question Completion Status: QUESTION 3 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. 0 Average acceleration = M] AV 0 Average acceleration = Ax / AV 0 Acceleration is the rate at which displacement changes. 0 Average acceleration = M AV 0 Acceleration is the rate at which velocity changes. 0 Acceleration is the rate at which travel time changes. 0 Average acceleration = At + AV 0 Acceleration is the rate at which speed changes. 0 Acceleration is the rate at which distance changes. 0 Average acceleration = Av / At 9 points Save Answer QUESTION 6 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. For motion with constant a K0 = X - vo t - atz / 2 For motion with constant a a = 2 (x - X0 - vo t) / t For motion with constant a a = 2 (x - x0 + vo t) / 12 For motion with constant a x=xo+Vol+ -at2 For motion with constant a a = 2 (x - X0 - vo +2) / t For motion with constant a x0 = x + vo t+ at-/ 2 For motion with constant a vo = (x - x0 - atz / 2) / t For motion with constant a x = xo +vo t+ at-/ 2 For motion with constant a a = 2 (x - x0 - vo t) / 12 For motion with constant a vo = ( x + x0 + at-/2) It 9 points Save AnswerQUESTION 11 Select and indicate the correct formulas. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. O X0 = Ax + xf Ax = xf/ x0 Ax = Xf - x0 Ax = X0 - Xf O Xf = Ax + x0 Oxf = x0+ Vx O Xf = X0 - Ax O VX = Xf - XO O Xf = x0 + Ax O Xf = Ax - x0 9 points Save AnswerQUESTION 5 9 points Save Answer Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. For motion with constant a x = xo + at + vot- / 2 For motion with constant a x=Notvit-a For motion with constant a at2 / 2 = x - x0 - vo t For motion with constant a xo +vo t + at-/ 2 = x For motion with constant a x - x0 = vo t+ at- / 2 For motion with constant a x = x0 +vo t+ at-/ 2 For motion with constant a x = x0 +vt+ at-/2 For motion with constant a v = vo +xo t + at- / 2 For motion with constant a x - X0 - vo t = at2 / 2 For motion with constant a x - x0 = at + vote / 2QUESTION 7 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. For motion with constant a x0 = x + (v2 - vo2) / (2a) For motion with constant a v2 = vo2 + 2a (x- x0) For motion with constant a a = (vo2 - v2) / (x0 - x) /2 For motion with constant a a = (vo2 - v2)/ ( x - x0) /2 O For motion with constant a 2 = vo2 + 2a (x0- x) For motion with constant a x = xo + (v2 - vo2) / (2a) For motion with constant a a = (v2 - vo2) /2(x - x0) For motion with constant a vo2 = 12 + 2a (x - x0) For motion with constant a a = (v2 - vo2) / (x - x0) /2 For motion with constant a v2 = vo2- 2a ( x- x0) 9 points Save AnswerQUESTION 10 Select and indicate the correct formulas. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. OXf=AX-xo 9 points Save Answer QUESTION 4 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. 0 For motion with constant a V-vo=at O For motion with constant a v0 = x - a t O For motion with constant a v = v0 - a (2 I2 0 For motion with constant a v=vo-at O For motion with constant a v0 - v = - a t O For motion with constant a v = v0 + a t2 / 2 O For motion with constant a v = v0 + t/ a O For motion with constant a v0 = v - a t O For motion with constant a v0 = v + a t O For motion with constant a v=v0+at 9 points Save Answer QUESTION 8 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. Average acceleration = (vf - vo) / (xf - x0) Average acceleration = (vo - vf) / (tf - to) Average acceleration = (vo - vf) / (tf - to) Average acceleration = (vf - vo) (tf - to) Average acceleration = (af - a0) / (tf - to) Average acceleration = (vf - vo)2/ (tf - to) Average acceleration = (vf - vo) / (tf - to) Average acceleration = (vf - vo) \\ (tf - to) Average acceleration = (tf - to) / (vf - vo) Average acceleration = (xf - x0) / (tf - to) 9 points Save AnswerQUESTION 9 Select and indicate the correct formulas, statements or expressions. The meaning of the symbols corresponds to the meanings of the symbols in the textbook. 0 Average velocity is the total distance traveled divided by the elapsed time. D Acceleration is a vector, and thus has a both a magnitude and direction. 0 Average speed is the total displacement traveled divided by the elapsed time. D The SI basic unit for acceleration is m/s2. C) Speed is a vector, and thus has a both a magnitude and direction. O The SI basic unit for velocity is m/sz. O The SI basic unit for acceleration is m/s. 0 Average acceleration is the total distance traveled divided by the elapsed time. 0 Average speed is the total distance traveled divided by the elapsed time. D The SI basic unit for velocity is m/s. 9 points Save