Honors Physics One-D Motion

Which of the following is a vector?

• 0.007 cm

• 7 meters

• 7 x 10⁶ m

• 7 miles Northwest

Which of the following is a scalar?

• Displacement

• Distance

• Velocity

• None of these

If Susie moves leftward 5 meters, what is true about her displacement?

• Her displacement is zero

• Her displacement is positive

• Her displacement is negative

• None of these

The minimum distance from the Earth to Mars is 5.46 x 10⁷ km. If you travel from the Earth to Mars and back, which of the following is a correct estimation of your displacement?

• 0 miles

• 238,900 miles

• 477,800 miles

• none of these

The moon is 238,900 miles from the Earth. If you travel from the Earth to the moon and back, which of the following correctly describes the distance you have traveled?

• 0 miles

• 238,900 miles

• 477,800 miles

• none of these

I drove 15 miles to the local farmer's market. Halfway back to my house I ran out of gas. What is my displacement?

• 22.5 miles

• 15 miles

• 7.5 miles

• 0 miles

Which of the following objects most likely has a constant speed?

• A car that speeds up when the light turns green

• A car traveling at 65 mph on the freeway

• A car that slows down to stop due to a red light

• A car that makes a u-turn

When calculating an object's velocity, you must first consider its

• Average speed

• Instantaneous speed

• Displacement

• Distance

A cheetah runs at 93 km/hr. This describes the cheetah's

• Displacement

• Instantaneous Speed

• Average Speed

• Average Velocity

A snail travels 15 cm north in 30 minutes. What is the speed of the snail in m/s?

• 0.5 cm/min

• 0.5 cm/min North

• 8.3 x 10^-5 m/s

• 8.3 x 10^-5 North