science

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What is the biggest difference between speed and velocity?

Both include distance and time, but velocity also includes direction.

acceleration

Change in velocity; An object is accelerating if it starts, stops, speeds up, slows down, OR changes direction

speed

How fast an object is moving, must have both distance and time

velocity

Speed (distance and time) of an object plus its direction

A subway travel East at 45 km/hr

Velocity

Acceleration formula

a=vf-vi/t

A runner slows to a stop as he gets tired

acceleration

Change in speed Slow down Change in velocity Speed up Change direction

acceleration

A student rode her bike to a friend's house. She traveled 30 meters in 5 minutes and stopped one time along the way.

average speed

dvt straight diagonal line upwards

constant

svt straight line

constant

A car traveled at the same speed of 110km/h around an oval track.

constant speed

distance formula

d=sxt

A dog ran at a speed of 5m/s for 5 min. Then the dog changed its speed to 3m/s.

negative acceleration

dvt curved downward line

negative acceleration

dvt straight line

rest

svt straight line on bottom

rest

svt diagonal line going down

slowing down

A 1 kg marble rolls a distance of 35 feet in 20 seconds

speed

Sally runs 7 km/h for 25 minutes

speed

Time Distance cm/sec 50 km in an hour

speed

speed formula

speed = distance/time

svt diagonal line going up

speeding up

dvt curved upward line

speeding up acceleration

A truck traveled southward on a road at 60km/h.

velocity

Time Distance Speed Direction West at 90 km/h

velocity


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