Consider the motion diagram of a point particle shown in the figure below. What
ID: 1654046 • Letter: C
Question
Consider the motion diagram of a point particle shown in the figure below. What is the sign of the position of the particle at all times shown? (circle one) Positive (+) Negative (-) What is the sign of the velocity of the particle at all times shown? (circle one) Positive (+) Negative (-) What is the sign of the acceleration of the particle at all times shown? (circle one) Positive (+) Negative (-) On the motion diagram, draw and label the position vector, velocity vector and acceleration vector of the particle at t - 2 s. Using the conversion factors given on the first page, convert the following quantities to the units indicated. Express the length 0.732 m in inches (in). Be sure to truncate your result to the appropriate number of significant figures. Express the speed 66.6 mph (mi/hr) in meters per second (m/s). Be sure to truncate your result to the appropriate number of significant figures. Express the mass density 71.5 kg/m^3 in slugs per cubic foot (slug/ft^3). Be sure to truncate your result to the appropriate number of significant figures.Explanation / Answer
2)(a)0.732 m
1 m = 39.3701 in
0.732 m = 28.819 in
b)66.6 mph
1 mph = 0.44704 m/s
66.6 mph = 29.773 m/s
c)71.5 kg/m^3
1kg/m^3 = 0.00194 slug/ft^3
71.5 kg/m^3 = 0.139 slug/ft^3