Projectile Motion
At the peak of its parabolic trajectory, the vertical component of a projectile's velocity is equal to this.
What is 0 m/s?
As a roller coaster rolls downhill, what kind of energy is increasing?
Kinetic energy
What force always acts to restore an object to its equilibrium position in SHM?
Restoring force
If a boat floats in water, what does that tell you about the magnitude of the buoyant force?
It is greater than or equal to the force of gravity on the boat.
Yoda was this old when he passed away, becoming one with the force.
900 years old
A projectile is launched at 20 m/s at an angle of 30 degrees above the horizontal. What is the projectile's horizontal velocity?
17.3 m/s
How much gravitational potential energy does a 2.0 kg object have at a height of 5.0 m?
98 J
What is the period of a mass-spring system with m = 0.5 kg and k = 200 N/m?
0.314 seconds
The buoyant force is equal to the weight of the displaced fluid.
Although he is half human (on his mother's side), Commander Spock was born and raised on this planet.
Vulcan
A rock is thrown horizontally off a 45-meter cliff. How long does it take to hit the ground?
3.03 seconds
If no external forces are acting on a system, what happens to the total internal energy of the system over time?
When is the speed of a mass on a spring in simple harmonic motion the greatest?
At the equilibrium position
What is the gauge pressure at a depth of 10 m in water?
98,000 Pa
This son of Elendil refused to destroy the One Ring after cutting it from Sauron's hand, ultimately leading to his own downfall.
Isildur
If a projectile is launched and lands at the same height, what is true about its vertical velocity at launch and landing?
The magnitude is the same, but the direction is opposite.
A pendulum is released from rest at a height of 0.6 m. What is its speed at the bottom?
3.43 m/s
A pendulum is 1.2 meters long. What is its period?
2.2 seconds
A 0.3 m³ object is fully submerged in water. What is the buoyant force?
2940 N
The Fremen of Arrakis refer to the giant sandworms by this name, meaning "immortal" or "eternal."
Shai-Hulud
A projectile launched at 25 m/s lands 50 m away. Assuming level ground, what was its angle of launch?
30 degrees
A spring (k = 120 N/m) is compressed 0.2 m. How much energy is stored in the spring?
2.4 J
A 0.2 kg mass oscillates with amplitude 10 cm and max speed 0.5 m/s. What’s the spring constant?
25 N/m
Water flows from a wide pipe (area = 0.05 m²) into a narrow pipe (area = 0.01 m²). If speed in the wide pipe is 2 m/s, what is the speed in the narrow pipe?
10 m/s
After his coronation as King of Gondor and Arnor, Aragorn became known by this name, meaning "Elf-stone" in the elvish language of Quenya.
Elessar