Relative Motion, velocity, acceleration (class)

Jeremy walked at an average rate of speed of 3 kilometers per hour (km/h). How far had Jeremy walked in 30 minutes?

• 0.1 km

• 1.5 km

• 10 km

• 90 km

A train travels at a rate of 13 meters per second (m/s). Over the next 60 seconds, the speed of the train increases to 22 m/s. What is the average rate of acceleration of the train?

• .5 miles/minute

• .5 miles/minute southeast

• 2 miles/minute

• 2 miles/minute southeast

Two bicyclists were riding their bikes at a rate of 20 kilometers per hour (km/h). During the next half hour, they observed that they had increased their speed to 26 km/h. What was their average acceleration?

• .02 m/s

• .10 m/s

• .5 m/s

• 50 m/s

An airplane travels at a constant speed of 800 kilometers per hour (km/h). Approximately how long will it take the airplane to travel 200 kilometers?

• 15 mins

• 25 mins

• 2 hours

• 4 hours

• Q

• R

• S

• U

• 5 km/hr east

• 35 km/hr west

• 60km/hour west

• 65 km/hour east

• 10 km/hr west

• 50 km/hr east

• 60 km/hr east

• 70 km/hr west

A passenger jet flies at an average speed of 600 miles per hour (mph) east. A satellite orbits Earth at about 17,500 mph, west to east. If the pilot of the jet sees the satellite passing directly overhead, how fast will the satellite appear to be moving?

• 600 mph

• 16,900 mph

• 17,500 mph

• 18,100 mph