Which best describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media

What if the earth were larger? The atmosphere would float away. The planet would not have enough gravity. Gravity would pull too hard on the atmosphere. The planet would collapse on itself.

The radio signal sent from the Earth to the Moon was received again on Earth 2.6 seconds after it was sent. The signal ran at 300,000 km / s. Using this data, calculate the distance from Earth to the Moon.

With a time of 6.92 s, Irina Privalova of Russia holds the women's record for running 60 m. Suppose she ran this distance with a constant acceleration, so that she crossed the finish line with a speed of 17.34 m/s.

Boyle's law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4l, the pressure is 720 kpa (kilopascals). What is the pressure when the volume is 10l?

The outer shell electrons in metals are not tightly bound to the nuclei of their atoms they are free to roam throughout the material moving from atom to atom these materials are good

A person gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. The cart travels forward along the floor, gradually slowing as it moves.

A driver, traveling at 22.0 m/s, slows down her 2.00 x 103 kg car to stop for a red light. What work is done by the friction force against the wheels?

If the masses of an object increase and their distance from each other stays the same the force of gravity decreases increases stays the same increases then decreases

What is Avogadro's number? A. 5.002 Ã - 1020 B. 2.3 Ã - 1021 C. 6.02 Ã - 1013 D. 6.02 Ã - 1023

Mathew, a farmer, cultivates monocultures of wheat. What negative effect will monoculture farming have on Mathew's land? A. crop productivity will decrease B. greenhouse gases will generated C. nutrients will not be recycled back into the soil D.