Which can occur in a physical change?

The mass can increase

The particles can arrange in different ways

The mass can decrease.

The atoms can bond to different atoms.

The atomic number of an element is found by counting the

What is the intertidal zone? A. where the ocean meets fresh water B. where the ocean meets the land C. where the ocean meets a tide D. where the ocean meets a reef

An ant starts at - 5 m and moves 10 m left, 25 m right, 30 m left, and 5 m right. If the positive x-axis is to the right, what are the final position and total displacement of the ant? A. position: - 15 m; displacement: 70 m B.

The goal of science is to understand the natural world without

What is scalar quantity?

Which of the following describes the charge of an atom before any electrons are transferred? positive charge negative charge it depends on the number of protons and neutrons neutral charge

A slow jogger runs a mile in 16 minutes. Calculate the speed in

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.