A 10,000-kg rocket blasts off from earth with a uniform upward acceleration of 2.00 m/s2 and feels no air resistance. The upward thrust force its engines must provide during this acceleration is closest to
A) 20,000 N.
B) 980,000 N.
C) 118,000 N.
D) 78,000 N.
Question 2
A long, straight wire carrying a current is placed along the y-axis. If the direction of the current is in the +y direction, what is the direction of the magnetic field due to this wire?
A) clockwise, around the x-axis
B) counterclockwise, around the x-axis
C) counterclockwise, around the z-axis
D) counterclockwise, around the y-axis
E) clockwise, around the y-axis
Size comparison of Earth and Mars.
Mars oppositions from 2003-2018, viewed from above the ecliptic with the Earth centered
Schematic of the Earth–Moon system (without a consistent scale)
The Atmosphere Screens Earth from Harmful Solar Radiation
Moving currents are affected by Earth’s rotation
The Arctic is warming faster than any other region on Earth