What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions

The transfer of energy between two objects that are physically touching is called

A kind of variable that a researcher purposely changes in an investigation is

How long does it take an automobile traveling 72.5 km/h to become even with a car that is traveling in another lane at 54.5 km/h if the cars front bumpers are initially 141 m apart

How do you measure mass

A 1400 kg wrecking ball hangs from a 20-m-long cable. The ball is pulled back until the cable makes an angle of 23.0 ∘ with the vertical. Part A By how much has the gravitational potential energy of the ball changed?

An advertisement for a new fish food claims that lab studies show that fish grew three inches in three weeks while eating the food. Travis wondered if the food was worth the extra cost. To evaluate the claim in the advertisement, Travis should

What will happen to an astronaut when the jets produce these four forces

What does it mean when the mark on the ramrod disappears into the barrel of the muzzleloader?

Explain the relationship between speed, velocity and acceleration

What are the characteristics of prokaryotes? A.) A prokaryote lacks a well-defined nucleus. B.) A prokaryote cannot perform basic life functions. C.) A prokaryote lacks cell organelles. D.) A prokaryote is larger than a eukaryote.