Physics Quiz 2 Part 1 Kinematics

The slope of a velocity versus time graph is

• Speed

• Displacement

• Distance

• Acceleration

An object with an initial velocity of 15 m/s experiences a constant acceleration for 3 seconds until it reaches 45 m/s. What is the object's acceleration during this time?

• 10 m/s²

• 42 m/s²

• -10 m/s²

• 30 m/s²

A car traveled 140 km in 2.5 hours. What was its average speed in km per hour?

• 0.016 Km/hr

• 56 Km/hr

• 140 Km/hr

• 350 Km/hr

A woman runs a 200 m race in a time of 24.78 seconds. What is her average speed for the race?

• 2.25 m/s.

• 8.07 m/s

• 0.12 m/s

• 225 m/s

A man runs 650 m east and then turns and runs 850 m west. This takes him 240 seconds. What is the man’s average SPEED for the run?

• 1300 m/s

• 2.71 m/s

• 6.25 m/s

• 0.16 m/s

A man runs 650 m east and then turns and runs 850 m west. This takes him 240 seconds. What is the man’s average VELOCITY for the race?

• 0.83 m/s west

• 1.2 m/s west

• 1500 m/s west

• 200 m/s west

A woman drives 200 miles west and then turns south and drives 375 miles. Her trip takes her 11.75 hrs. Answer the following questions. What is the woman’s average SPEED during the trip?

• 48.94 m/hr

• 0.02 m/hr

• 67 m/hr

• 14.89 m/hr

A woman drives 200 miles west and then turns south and drives 375 miles. Her trip takes her 11.75 hrs. Answer the following questions. What is the woman’s average VELOCITY during the trip?

• 48.94 m/hr SW

• 14.89 m/hr SW

• 0.027 m/hr SW

• 36.17 m/hr SW

You are in a train going around a curve at a constant 30 miles per hour. Which of the following is true?

• You and the car are maintaining a velocity of 30 mph/sec.

• Your direction is constant.

• Your speed is constantly changing

• Your velocity is constantly changing

The slope of a distance versus time graph is

• Speed

• Displacement

• Distance

• Acceleration