SOLID MATTER IN MOTION_Tackle This

_____________ and apply the truth.

Find the volume of an 8-inch square chocolate cake that is 2 inches thick.

• 110

  $in^3$

• 128 $in^3$

• 116 $in^3$

• 16 $in^3$

A plastic toy has a mass of 6g. The density of the plastic is 1.17 g/cm^3. Calculate the volume for the piece of plastic.

• 6 cm³

• 1.17 cm³

• 5.13 cm³

• 7.17 cm³

Susan is going to bicycle from the convenience store to her house. She knows that the store is 5 miles from her home. If it takes her 30 minutes (0.5 hr) to bicycle home, calculate her average speed.

• 5 mph

• 10 mph

• 15 mph

• 2 mph

Choose all that show KINETIC Energy

• a ball in flight

• moving automobile

• falling rock

• battery

• burning wood

Choose all that shows POTENTIAL energy

• a book on the edge of a table

• a pile of coal

• a stretched spring

• a descending parachutist

• a ball on the top of the hill

A construction worker is asked to move a box of equipment weighing 100 lbs onto the top of a shelf that is 5 feet high. he uses a forklift truck to move the box onto the shelf. How much work did the truck do for him?

• 500 ft.lb

• 50 ft.lb

• 100 ft.lb

• 5 ft.lb

Calculate how much work it takes to push with a force of 3lb on a stack of books weighing 12 lb across a 5 ft table.

• 12 ft.lb

• 15 ft.lb

• 36 ft.lb

• 60 ft.lb

A gardener uses 2750 ft.lb/sec of power for tilling. If it takes him 20 minutes to finish tilling his garden, how much work did he do?

• 3,000 ft.lb

• 2730 ft.lb

• 3,300,000 ft.lb

• 300 ft.lb