Give an example of a system whose mass is not constant.

1. A spinning top

2. A baseball flying through the air

3. A rocket launched from Earth

4. A block sliding on a frictionless inclined plane

A ball with a density of 1100 kg/m3 is submerged in two liquids: water 1000 kg/m3 and honey 1400kg/m3. What will the ball do?

A child standing on the edge of a freely spinning merry-go-round moves quickly to the center. Which one of the following statements is necessarily true concerning this event and why? a.

How do you increase the potential energy of an apple

pretend you are an astronaut standing on the moon while the moon is in full moon position. you are standing in the middle of the side of the moon closest to earth. how would the ground around you look?

What is transmitted by all waves? energy mass matter sound

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony has a major impact on native flora and fauna. b. Because the last colony found is the one housing the invasion's queen.

Imagine a particular exoplanet covered in an ocean of liquid methane. At the surface of the ocean, the acceleration of gravity is 6.20 m/s2, and atmospheric pressure is 7.00 ✕ 104 Pa.