If the distance traveled is 200 meters and the time is 50 seconds, what is the velocity?
4 m/s
800 m/s
4 m
800 m
2. Multiple Choice
30 seconds
1 pt
a golf ball accelerates of a tee at 15m/s ,changing its velocity from om/s to 50 m/s down the fairway how long did it take for the ball to accelerate ?
750 seconds
35 seconds
0.3 seconds
3.3 seconds
3. Multiple Choice
30 seconds
1 pt
jack has a rock . The rock has a mass of 14g and a volume of 2 cm what is the density of the rock
7ml
7g/cm
28g/cm
1/7g cm
4. Multiple Choice
30 seconds
1 pt
if a piece of matter changes shape ,what happens to its mass
it increases
it decreases
it changes numbers
it stays the same
5. Multiple Choice
30 seconds
1 pt
which of the following is a unit of mass
kilogram
liter
meter
pound
6. Multiple Choice
30 seconds
1 pt
anything made of matter must
take up space and have mass
have mass and be solid
be solid and not move
take up space and be a liquid
7. Multiple Choice
30 seconds
1 pt
the mass of a object
changes depend on where its located
changes randomly
changes depending on temperture
doesn't change
8. Multiple Choice
30 seconds
1 pt
Alex measures a rock and finds it to be 15 grams. What does John know about the rock?
its mass
its weight
its volume
its momentum
9. Multiple Choice
30 seconds
1 pt
Mass is a property of ___________.
waves
energy
matter
light
10. Multiple Choice
30 seconds
1 pt
The mass of an object WILL change if ____________.
it changes shape
it loses a piece
it gets hotter
it gets cooler
11. Multiple Choice
30 seconds
1 pt
Which of these would you use to measure mass?
a barometer
a thermometer
a balance of scale
a ruler
12. Multiple Choice
30 seconds
1 pt
Measure of the average kinetic energy of particles in matter
work
heat
temperature
none of above
13. Multiple Choice
30 seconds
1 pt
John took 90 minutes to bicycle to his grandmother's house, a total of six kilometers. What was his speed (pay attention to units)?
540/km hr
4/km hr
.066 km/hr
9 /km hr
14. Multiple Choice
30 seconds
1 pt
The momentum of an object depends upon the object's ___________&_____________.