034 SC 130 Physical Science test one • Name:

Ball roll data table

time (s)distance (cm)
01800
11500
21200
3900
4600
5300
1. Plot the data on the graph.
2. ___________________ Is there a mathematical relationship between the time and the distance?
3. ___________________ What is the speed of the ball in centimeters per second?
4. ___________________ What is the acceleration of the ball in centimeters per second²?
5. Aristotle's students called their school the peripatetic college. What is the meaning of peripatetic?
6. What are the three fundamental qualities?

____________________ __________________ __________________
7. Two of the three qualities must be present for motion to exist. Name the two qualities:

____________________ __________________
8. ________________ A 42.0 gram rectangular slab of soap is 6.0 centimeters long, 4.0 centimeters wide, and 2.0 centimeters high. What is the volume of the rectangular slab of soap in cubic centimeters?
9. ________________ A 42.0 gram rectangular slab of soap is 6.0 centimeters long, 4.0 centimeters wide, and 2.0 centimeters high. What is the density of the rectangular slab of soap in grams per cubic centimeter?
10. ________________ Will a 42.0 gram rectangular slab of soap that is 6.0 centimeters long, 4.0 centimeters wide, and 2.0 centimeters high float in water?

1. Physically, what does the slope of the line in graph two represent?
2. Physically, what does the slope of the line in graph three represent?

$y=-\left(\frac{k}{{r}^{2}}\right){x}^{2}+k$

1. Write the equation for the ball path shown on graph 4 using the equation above by substituting in the values for k and r , simplifying as appropriate.
2. ____________ What will be the height (the y value) for the ball at x = 50 cm?

Drop 1Drop 2Drop 3Drop 4Drop 5Mean drop time x(s)Distance y (cm)
0.880.780.600.840.81300

1. _____________ Determine the average drop time using the five times above.
2. _____________ In the table above which drop time appears suspiciously low?