Ratios
Trig
Motion
Forces
Ms. Skaronea
100

A circle has radius R. What is the radius of a new circle with exactly twice the perimeter of the original circle?

2R

100

A right triangle has a hypotenuse of length 20 and one leg with a length of 10. What is the length of the 3rd leg?

17.3

100

A car moves at with a constant velocity of 20 m/s. How far does it travel in 2 minutes?

2400 m

100

This is the tendency of objects with mass to resist a change in motion.

What is inertia?

100

This is Ms. Skaronea's dog's name

What is Custard?

200

A circle has radius R. What is the radius of a new circle with exactly three times the area of the original circle?

R√3

200

A 20-foot ladder leans against a vertical wall. If the ladder forms a 65º angle with the horizontal ground, how high up the wall does the ladder reach?

18.1 feet

200

You run 1600 meters in 4 minutes. What is your average speed, in meters per second?

6.67 ms-1

200

Newton's _____ Law states: every action has an equal and opposite reaction

What is 3rd?

200

This is Ms. Skaronea's favorite color.

What is green?
300

A sphere has radius R. What is the radius of a different sphere with exactly half of the original volume?

R/∛2

300

A 50-foot flagpole casts a shadow on the ground that is 30 feet long. What is the angle of elevation from the tip of the shadow to the top of the flagpole?

59º

300

An object is dropped from rest. Taking g=10ms-2, determine the speed of the object after 5 seconds.

50 ms-1

300

Newton's _____ Law states: an object in motion will stay in motion, and an object at rest will stay at rest, unless acted upon by an unbalanced force

What is 1st?

300

Ms. Skaronea went to this university.

What is Georgia Tech?

400

A sphere has a surface area A. If a second sphere is created with one-fourth the surface area of the original sphere, what fraction of the original sphere's volume does the new sphere have?

R/2

400

A surveyor stands on flat ground d meters away from the base of a vertical cliff. The straight-line distance from the surveyor's position to the top of the cliff is 150 meters. If the angle of elevation to the top of the cliff is 40º, how far is the surveyor standing from the base of the cliff?

114.9 meters

400

You're driving with a velocity 18 ms-1 when you slam on the brakes. If it takes you 2 seconds to come to rest, determine the acceleration of your car.

–9 ms-2

400

This kind of force resists always acts in the opposite direction to an objects velocity.

What is friction/drag?

400

Ms. Skaronea travelled to this South American country over the summer.

What is Chile?

500

A right circular cylinder has a radius r and height h. If you double the radius while keeping the volume constant, what must the new height be in terms of h?

h/4

500

A 20 meter lighthouse sits atop a cliff. An observer on a boat looks up at the top of the lighthouse with an angle of elevation of 35º. If the boat is 200 meters away from the base of the cliff, what is the height of the cliff?

120 meters

500

An object is thrown directly upwards with an initial velocity of 15 ms-1. Using g=10ms-2, determine the maximum height it reaches.

11.25 m
500

On Earth, this kind of force acts on anything with mass.

What is gravity?

500

Ms. Skaronea's birthday is in this month.

What is February?