What forces cause the Sun's magnetic field to become both stronger and more tangled

Explain the difference between the synodic period of a planet and the sidereal period. why is the synodic period often much less than the sidereal period for the superior planets?

19) A small car and a large truck are driving down a highway, which statement would support the premise that the truck has more momentum? A) A large truck has a much larger mass. B) A car has a smaller engine than a truck.

Touching your finger to your nose, action force?

A 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42 * 10 ⁻¹⁰, how far apart are they?

Particle A has half the mass and eight times the kinetic energy of particle B. What is the speed ratio vA / vB?

Why are stars changing colurs by blinking?

How many birds have tested positive for West Nile virus?

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.