Physics Unit 1 Review

Conversions and Units

100

What is the SI base unit(so no prefixes) for distance?

What is meters?

200

How many meters are in 5.3 km?

5300 m

300

How many nanoseconds are in a megasecond?

10¹⁵

400

How many inches are in 1 m?

39.4 inches

500

Convert 15 km/hr to miles/day

223.7 miles/day

Conversions and Units

100

How many meters are in 1 mile?

1609 m

200

How many pounds are in 1 kg?

2.2 pounds

300

How many grams are in 1 pound?

~454 g

400

How many miles per hour are in 1 m/s?

2.24 mph

500

Convert 30 mph to mm/s

13400 mm/s

Graphing

100

What is the proper way to title a graph for Mr. Baughman?

y-variable vs x-variable

200

When do we typically consider the y-intercept to be negligible?

When the y-intercept is less than 5% of our largest y-variable data point.

300

In the circle lab, what did the slope represent?

pi (Yumm)

400

What were the units for the slope in the circle lab?

cm/cm which cancel to give no units

500

You perform an experiment to test how mass affects the sliding distance of a cart rolling down a ramp. Name 2 relevant variables that should be held constant.

The cart type

The height and angle of ramp

Surface cart is rolling on

Rearranging Equations

100

Solve for m

F=ma

m=F/a

300

Solve for b

y-z+3b = z

b = (2z-y)/3

400

Solve for t

x=(1/2)at² + v

Can't type out...sorry

500

Solve for x

ax² + z = 3

Can't type out...sorry

Variables

100

When graphing, which variable goes on the y-axis

Dependent

200

You perform an experiment to test how mass affects the sliding distance of a cart rolling down a ramp. What is the independent variable and what axis should it go on the graph?

Mass of cart

x-axis

300

In DRY MIX, what does DRY mean?

Dependent variable, Responding variable, X-axis

400

Solve for a

x=(1/2)at²

x = 5

t = 3.3

a = 0.918

500

Solve for r

Hxr²=L

L = 252

H = 4

x = 7

+/- 9