Year 10 Physics #1

2. Define acceleration

• Acceleration is the change in deplacement per unit time

• Acceleration is the change in speed per unit time

• Acceleration is the rate of change of velocity.

• Acceleration is how Mr Ng feels when marks the prelim paper.

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10
• 7
• 8
• 6

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800
• 400
• 0
• 200

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Which of the following is NOT a scalar quantity?

• time
• distance
• displacement
• speed

Vector quantities need both a magnitude and a _____.

• distance
• displacement
• direction
• velocity

Displacement and distance are always the same number.

• True
• False

What is the speed of a car that travels 400 m in 20 minutes?

• 20 miles/hr
• 20 m/min
• 800 m/min
• 200 miles/hr

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the equation to calculate speed?

• speed = distance/time
• speed = time/distance
• speed = time x distance 
• speed = speed/time 

Tags

CCSS.6.EE.B.7