What is the streak of a mineral used for?

A.

weighing the mineral

B.

measuring the hardness of the mineral

C.

identifying the mineral

D.

finding the volume of the mineral

A 100 N force pulls a box horizontally across a floor for 2 m. How much was done by the force of gravity (which pulls straight down on the box) ?

An automobile is sitting on a hill which is 20 m higher than ground level. Find the mass of the automobile if it contains 362,600 J of potential energy.

What are the three properties of all magnets

Positive charge Q is placed on a conducting spherical shell with inner radius R1 and outer radius R2. A particle with charge q is placed at the center of the cavity. The net charge on the inner surface of the conducting shell is

A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform electric field of 82.0 kN/C directed perpendicularly to the plate. a. Find the charge density of each face of the plate. b.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.

Energy transformations in a bouncy house

High voltage power is often carried in wire bundles made up of individual strands. In your initial post to the discussion, discuss the forces on the strands of wire due to the current flowing through them.

The climate of an area is based on A) Rivers and lakes B) natural resources. C) mountain and valleys. D) Precipitation and temperture

California has been spending money to establish desalination plants. The state is preparing for