Basic Physics

A large mass and a small mass can balance on a seesaw because of balanced _______________.

• forces

• torques

• energies

• all of these.

Tags

NGSS.MS-PS2-4

A ball is thrown straight up. Which number is the acceleration of the ball closest to at the top of its path?

• 0 m/s²

• 5 m/s²

• 10 m/s²

• 20 m/s²

Tags

NGSS.HS-PS2-1

Earth satellites, such as the International Space Station, orbit at altitudes that are mainly above Earth's _______________.

• atmosphere.

• gravitational field.

• both of these.

Tags

NGSS.HS-ESS1-4

All of the following are electromagnetic waves EXCEPT

• radio waves

• micro waves

• light waves

• X-rays

• None is outside the family; all are electromagnetic waves

Tags

NGSS.HS-PS4-4

Compared with the sound you hear from the siren of a stationary fire engine, the sound you hear when it approaches you has an increased

• speed

• frequency

• wavelegnth

• All of these

Tags

NGSS.HS-PS4-1

The phenomenon of interference occurs for

• sound waves

• light waves

• both of these

• neither of these

If the Sun collapsed to become a black hole, Planet Earth would

• continue in its present orbit

• fly off in a tangent path

• likely be sucked into the black hole

• be pulled apart by tidal forces

• both C and D

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The equation E=mc² indicates that energy

• equals mass moving at the speed of light squared

• equals moving mass

• is fundamentally different than mass

• and mass are closely related

Which color of light has the longest wavelength?

• Red

• Green

• Violet

• Ultraviolet

Tags

NGSS.HS-PS4-1

Electromagnetic waves always travel faster than sound waves.

• True

• False

Tags

NGSS.HS-PS4-1