Hr. Physics chapter 3 Test

8:28:20

A professional race car driver won a 500 mile race with an average speed of 144 miles per hour. The track is an oval, 1.4 miles long. How long did it take him to complete the race in hours: minutes: seconds?

47.54 m

A tennis court is 23.77 meters from baseline. Serena, standing at one baseline, hits a tennis ball to Venus, who is standing at the other baseline. She hits the ball back to her. What distance does the ball travel in this volley?

8, -3, 15

A weather balloon is 15 kilometers above the surface of earth. As you watch it, the balloon floats 8 kilometers east and 3 kilometers south of its starting point. What is the balloon's location as a position vector in the form of (x, y, and z) km

Velocity is

Speed and direction

13.04 m/s

The Kentucky Derby horse race is run each year at Churchill Downs on a track that is 1 mile long (1.6 km). A horse named "Mine that Bird" won the race with a time of 2 minutes and 2.66 seconds. Calculate the horse's average speed in meters/sec.

Distance

The area under a speed versus time graph is:

0 m

What is the displacement of the tennis ball in #4 after the volley?

-8.7m

What is the final position of a mosquito that flies from an initial position of 30 cm in 30 seconds at -0.30 m/s?

-200 km/hr

What is the velocity of a car that moves from an initial position of 1200 kilometers to a final position of 200 kilometers in 5 hours?

35.00 sec

What was the average lap time (one lap), measured in seconds from #6?

-25km or 25km south of your starting point

Where do you end up relative to your starting point if you walk 30 kilometers north and then 55 kilometers south?

All of the above A) m/s B) ips C) ft/s

Which of the following is a unit of speed?

The object would have moved

Why is it impossible to have a true vertical line on a distance versus time graph?

4.90

Mr. Richardson runs for one hour at 8 miles per hour. Then he walks for 30 minutes at a rate of 4 miles per hour. He rests for 15 minutes and then walks home in 45 miles per hour?

The cars have the same speed and different velocities

A Tesla is traveling 65 mph east and a mini-cooper is traveling 65 mph west. Which of the following statements is true about the two cars?

Speed

A measure of how quickly an object gets from one place to another is:

3,272.7 seconds

At an altitude of 400 kilometers, the circumference of the shuttle's orbit is 36 million meters. How long does it take for the shuttle to go around the earth one time at the speed of 11,000 m/s?

9.14

Being blessed by God, David chose to fight the Philistine giant Goliath. David used a stone in his slingshot to slay Goliath. Hypothetically, if David's point of release was 30 feet from Goliath's head and it took 1 sec for the stone to travel, how fast was the stone moving in meters/second

Production of time and speed

Distance may be expressed as a:

4 minutes

Elizabeth walked in a straight line from a starting position of 800 meters to a finish position of 500 meters at a constant velocity of -1.25 m/s. How long did it take her?

39,600 km

If a space shuttle is traveling at a speed of 11,000 meters per second, how far does it travel in kilometers in one hour?

The slope of the graph is large

If the dependent values on a graph increase rapidly while the values of the independent variable increase slightly:

6,809km

In 1492, Columbus captained the Santa Maria from Spain, hoping to find a new route to India. 71 days later he landed on a Caribbean island. If he sailed 1.11 m/sec. how much distance did he cover in the total trip?

0.458 seconds

The distance between the pitcher's mound and home plate at Minute Maid Park is 60 feet and 6 inches. The astro's ace starting pitcher, Justin Verlander amazingly throws an average fast ball rate of 90 miles per hour. How long does it take the ball get to home plate?

Division

The expression "per" as in miles per hour or meters per second mathematically indicates:

0

The slope of a distance versus time graph for a bicycle rider is zero for a 75 minute time interval. What is the bicycle rider's speed during this time interval?

Velocity

The slope of a distance versus time graph represents:

Displacement

The term that describes the amount of change in a certain direction in the location of an object is:

Position

The term that refers to the location of an object is:

Distance

The total length of a journey from start to finish with no regard to distraction is called: