Inv3.Exp2 Test

What is the period of a satellite that is traveling 6254 m/s, at a height of 3800.0 km above Earth’s surface? (The radius of Earth is 6.38 x 10^6 m)

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is the orbital velocity of a satellite that is 4.22 x 10^7 m from the surface of Earth? (The radius of Earth is 6.37 x 10^6 m and the mass of Earth is 5.97 x 10&24 kg)

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What must be true for a satellite to maintain a circular orbit around Earth?

• The satellite must maintain constant speed
• The gravitational force must equal the centripetal force
• The satellite must be at a fixed altitude
• The orbital period must be exactly 24 hours

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

How far is Earth from the sun at aphelion compared to perihelion?

• 3 million km farther
• 4 million km farther
• 5 million km farther
• 6 million km farther

Tags

NGSS.HS-ESS1-4

What defines velocity?

• Mass multiplied by acceleration
• The force of gravity
• The rate of directional change
• Speed combined with direction of motion

What is a lunar eclipse?

• When the Sun blocks the Moon
• When stars align with the Moon
• When Earth's shadow falls on the Moon
• When the Moon appears full

Tags

NGSS.MS-ESS1-1

What characterizes a new moon?

• When the Moon is closest to Earth
• When the Moon's dark side faces Earth
• When the Moon is farthest from Earth
• When the Moon appears half-lit

Tags

NGSS.MS-ESS1-1

What is centripetal force?

• A force pushing objects apart
• A force directed toward the center of circular motion
• The force of gravity only
• The force of planetary rotation

What is momentum?

• The speed of an object
• The direction of motion
• Mass in motion
• The force of impact

Tags

NGSS.HS-PS2-2

During a new moon, where is the moon positioned?

• On the opposite side of Earth from the sun
• Between Earth and the sun
• Perpendicular to Earth and sun alignment
• At its furthest point from Earth

Tags

NGSS.MS-ESS1-1