The liquid mercury in a thermometer expands as it is heated. this is a ...

change of state.

change of form.

chemical change.

physical change.

What is most likely the author's motive for writing the article? to get the reader to buy digital products to get the reader to support the conversion from analog to digital to get the reader to raise money for digital research to get the reader to

A projectile is launched horizontally from a raised platform. If air resistance is ignored, then as the projectile falls to the earth, the magnitude of the vertical component of the velocity of the projectile:a.

Which of the following is not an example of osmosis? Multiple Choice Salting meat serves as a preservative. Vegetables placed in fresh water firm up. Sugar in coffee dissolves. Strawberries placed in sugar become syrupy.

A Carnot engine is operated between two heat reservoirs at temperatures of 550 K and 300 K. 1.) If the engine receives 6.

Two straight, parallel wires a and b carry currents in opposite directions, and are separated by a distance d. The magnitude of the force exerted by each wire on a segment of length L of the other wire is F. The vector sum of these forces is

A series circuit contains three 2 Ω resistors and a 6 Ω resistor. The current in each resistor is 4.0 A. What is the voltage of the battery in the circuit? 2.0 V 3.0 V 32 V 48 V

A solid metal ball and a hollow plastic ball of the same external radius are released from rest in a large vacuum chamber. When each has fallen 1 m, they both have the same?

Juan is interested in finding out whether hummingbirds are attracted to some flowers more than others. In what order should Juan perform the steps of his experiment?

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.