Which layer is the most dense layer of earth?

A. outer core

B. mantle

C. inner core

D. crust

When divided by Δt, (vf - vi) is used to determine which characteristic?

A person exerts a force of 50 N on the end of a door 71 cm wide. (a) What is the magnitude of the torque if the force is exerted perpendicular to the door?

To calculate the velocity of an object the of the position vs time graph should be calculated

What is the electric force between a glass ball that has 2.5 uc charge and a rubber ball that has a - 1.5 uc charge when they are separated by a distance of 5.0 cm

Consider the equation S + O2 → SO2. What type of reaction is this? a. synthesis b. decomposition c. single displacement d. double displacement

1. Hydrogen gas and oxygen gas, when combined, form liquid water. What type of change is this, and why? A) Chemical change, because a gas is produced. B) Physical change, because it is changing from gas to liquid.

The law of conservation of energy states ...

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Number of electrons in outer ring for phosphorus

How is mass connected to matter?