What makes up the majority of the solar system

space

The velocity of sound in air at STP (Standard Temperature and Pressure) is approximately 344 m/s. If the frequency of the sound wave is ν = 5.2 kHz, what is the wavelength in cm?

What is the sum of the kinetic energies of the alpha particle and the new nucleus?

What two forces affect the level of an objects acceleration?

Two unequal forces acting in opposite directions result in a what force

When compared to other types of waves, electromagnetic waves differ because they are

What is the upper limit to the mass of a neutron star beyond which neutron degeneracy pressure is unable to withstand the force of gravity and the neutron star is crushed out of existence into a black hole?

What happened to the test charge when brought near another positive charge, and how did you use this fact to score a goal only using positive charges? Explain for both the practice charge and more difficult levels.

You get up in the morning, get dressed, eat breakfast, walk to the bus stop, and ride to school. List three different energy transformations that have taken place.

If you lived by the sea, what effect of the moon would you see? Describe the effect.

20g of ice at 0℃ is mixed with 20g of hot water at 60℃. Then amount of water in mixture in equilibrium condition will be