4. Motion self-eval q's

The shortest length between two points located on the same plane is:

distance

A fundamental characteristic of matter, which causes an object to occupy space and gravitationally attract other bodies is:

mass

After walking steadily for 3 hours, you find yourself 9.6 kilometers away from your point of departure. What was your walking speed?

3.2 km/hr

An airplane is observed to travel a distance of 300 kilometers in two hours without changing its rate of speed. What is its speed?

150 km/hr

A sports car goes from zero to 120 km/hr (33.33 m/s) in 6 seconds. Assuming constant acceleration, what was the rate of acceleration for this run?

5.56 m/s²

What is the acceleration of a bird which changes its speed by 5 m/s every 4 seconds of time?

1.25 meter/sec²

A football player with mass of 95 kg is running down the field with a speed of 0.94 m/s. What is his momentum?

89.3 kg m/s

If car A had a mass of 150 kg and a velocity of 65 m/s, and car B had a mass of 25 kg and a velocity of 695 m/s, which car would have the most momentum?

car b

Calculate the kinetic energy of a 1259 kg car traveling at 55 m/s

1,904,238 J

Which car has the most Kinetic Energy? Car A with a mass of 1250 kg and a speed of 2.4 m/s or Car B that has a mass of 1300 Kg and a speed of 2.0 m/s

car a