Which avtivties belongs on top of physical activity pyramid

The nuclei of large atoms, such as uranium, with 92 protons, can be modeled as spherically symmetric spheres of charge. the radius of the uranium nucleus is approximately 7.4*10-15m.

In which situation is a person doing scientific work on an object?

What will most likely happen if a light wave moves through a solid? It will increase in wavelength. It will decrease in speed. It will increase in speed. It will decrease in wavelength.

What is one reason for feeling warmer in your house on a summer day versus a winter day even though your thermostat is set the same? A. The walls of the house are warmer during the summer.

Which of the following sets of driver's actions are multi-task performances necessary for the safe vehicle operation? a. Signaling; Changing Gears; Checking mirrorsb. Signaling; Brakes; Checking mirrorsc. Signaling; Changing Gears; Door opening

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.