DCCA 2 Review Solomon

The lighter the object the less inertia it has so which has the least potiential energy

• styrofoam 5 g

• rubber 18 g

• hollow plastic 2 g

• solid plastic 21g

Tags

NGSS.MS-PS3-2

A flat line on a distance speed graph means

• moving away

• going back

• not moving

• speeding up

Tags

NGSS.MS-PS3-1

What has the most potential energy

• a rolling ball

• a boulder at the edge of a cliff

• a car moving

• a skydver jumping out of a plane

Tags

NGSS.MS-PS3-2

what is the net force of a object that has mass of .03 and accleration of 800 m/s

• 240 kg/m/S2

• 240N

• .0037 kg/m/s

• 2,6667 N

Tags

NGSS.MS-PS2-2

True or False Net force is mass multiplied by acceleration?

• true

• false

Tags

NGSS.MS-PS2-2

How do you calculate speed?

• distance multiplied by time

• distance divided by time

• time divided by distance

• time minus speed

Tags

NGSS.MS-PS3-1

Kensley ran the 200 meter dash in 20 seconds how fast was she running?

• 40 m/s

• 800 m/s

• 1000 m/s

• 10 m/s

Tags

NGSS.MS-PS3-1

if the mass is the same of all objects are equal the more force apply the greater the acceleration true or false

• true

• false

Tags

NGSS.MS-PS2-2

If reading a distance time graph is moving in a diagonal line it is

• away from the starting poin

• towards the starting point

• not moving

• not enough info

Tags

NGSS.MS-PS3-1

what is the acceleration of on object with a force 343 and mass 78kg rounding to nearst tenth

• 4.4

• 400.8

• 78

• 343

Tags

NGSS.MS-PS2-2