Speed, Velocity and Acceleration

The formula distance divided by time (d/t) is used for calculating?

• Balanced and Unbalanced Forces

• Potential and Kinetic Energy

• Speed and Velocity

Tags

NGSS.MS-PS3-1

Which of these are the unit for speed?

• Newtons

• M/s (mph)

• Meters

• Joules

Tags

NGSS.MS-PS3-1

Which of the following best describes the velocity of an object?

• 50 m/s

• 50 m east

• 50 m/s east

• 50 m/s²

What is the difference between velocity and the speed of an object?

• Velocity is the change in distance over time, while speed is the change in velocity over time.

• Velocity has a direction associated with it, while speed has no specific direction,

• Velocity has no direction associated with it, while speed has a specific direction.

• Velocity is the change in speed over time, while speed is the change in distance over time.

A golf ball is hit a distance of 300 yards in 10 seconds. What is the speed of the golf ball?

• 0.033 yd/s

• 3000 yd/s

• 30 yd/s

• 3 yd/s

Tags

NGSS.MS-PS3-1

Mr. Smith is traveling from Houston to Dallas. The trip takes 4 hours to make the 224 mile trip. What is the velocity.

• 56 mph

• 56 mph South

• 56

• 56 mph North

A student who was training for a cross country race jogged for 2.0 hours and covered a

distance of 14.0 kilometers. What was the average speed of the student?

• 28 km/hr

• 7 km/hr

• 12 km/hr

• 0.14 km/hr

What is the average speed of a baseball that is thrown 90 feet in 2 seconds?

• 180 ft/second

• 45 ft/second

• 92 ft/second

• 88 ft/second

Tags

NGSS.MS-PS3-1

What two things are needed to determine average speed?

• Total Direction and Total Time

• Total Mass and Total Time

• Total Distance and Total Speed

• Total Distance and Total Time

No motion on a distance time graph shows up as a straight __________ line.

• Straight horizontal

• Straight diagonal

• Straight vertical