An ant is placed on a ruler at the 10 cm mark. He then travels to the 5 cm mark. What is the ant’s displacement?

-5 cm

A runner completes 1 lap around a 400 m track in 50.0 s. What is the runner’s total displacement?

0.0 m

1.0 µm is how many meters?

1.0 x 10-6

A reindeer is traveling south from the north pole at 800mph. It then sees a cop and slows down to 50 mph in 5 seconds. What is the deer’s average acceleration while it is slowing down?

-150 mph2

The Times Square Ball in New York City is dropped from a height of 24.8 m. If it is dropped at exactly12:00:00.00 midnight on 1/1/1213, at what time would it hit the ground?

12:00:02.25 on 1/1/1213

Santa sleigh is flying along a horizontal path drops a present from a height of 50 m. The present travels 800 m horizontally before it hits the chimney below. What is the sleigh’s speed?

250 m/s

A car accelerates uniformly from rest to a speed of 10.0 m/s in 5.0 s. Find the distance the car travels during this time.

25 m

What is the value for free-fall acceleration, g, at Earth’s surface?

9.81 m/s2

If Ralphie shot his Official Red Ryder Carbine-Action Two-Hundred-Shot Range Model Air Rifle horizontally, the bb bullet would fall 0.75 m by the time it reached the “Black Bart” target in his backyard, 20 m away. Approximately how fast does Ralphie’s new gun shoot?

131 m/s (Fast enough to shoot your eye out!)

Buddy the Elf walks with an average velocity of 0.83 m/s southward. If it takes him 20.0 min to walk to the store, what is his total change in displacement?

1 km ; south

While looking for his dad, Buddy The Elf walks100 km south then turns 20 degrees to the east and walks another 50 km. What is Buddy’s displacement?

148 km; 6.6 degrees East of South

Charlie Brown’s Christmas Tree can only withstand 5.0 N of force before it falls over. How much mass can be added to the tree before it gives out?

.51 kg

If the Grinch’s sled had a mass of 2.85 x105 kg, how much force would he need to apply to lift if over his head?

2.80 x106 N

A spinning dreidel spins 5 times in 1 second. What is the dreidel’s average angular speed?

31 rad/s

Santa’s elves pull wrapping paper from roll of festive paper at a rate of 2.00 m/s. If the roll is 10.0 cm wide, how fast is the roll spinning?

20.0 rad/s

The circumference of the Earth is 40,075 km at its widest point and has a radius of 6.37 x106 m. If Santa Claus were to travel around the widest point, how fast would he have to travel to make the journey in 24 hours?

464 m/s

The circumference of the Earth is 40,075 km at its widest point and has a radius of 6.37 x106 m. Assume that Santa Claus has to travel 1.1 x 107 km/h to visit every home with a “good” child. If Santa’s mass is 130 kg, his sleigh is 600 kg and each of his 9 reindeer is 90 kg, what is the force that keeps him in circular motion as the travels around the earth? Assume his sack of presents magically disappear as he takes flight…

2.7 x106 N

A woolen Christmas sweater is pulled over your head and gains a charge of -2.00 µC. How many extra electrons are present on the sweater?

1.24 x1013 electrons

If Ruldoph’s nose had a resistance of 15 ohms and had a current of 10 amps flowing through it, what would be the potential difference of Roudoph’s nose?

150V

The Grinch is fixing a light on Cindy Lou Hoo’s Christmas tree because one light wont light up. If the tree only had one strand of lights and is plugged into a conventional 120V outlet. Each strand of lights on the tree had originally had working 100 bulbs with each bulb drawing 5 watts. What is the potential difference across the strand?

120V

If Clark Griswald used 250 strands of lights to decorate his home, how much would it cost to have the lights run if he ran them from 8 p.m. to 4 a.m. the next morning? (Each strand has 100 bulbs and each bulb draws 5 watts)

$100.00 a night

π