What is true of both gravity and magnetism?

Both are dependent on mass.

Both forces can act without objects touching.

Both forces are directly proportional to the distance between the objects.

Neither is a fundamental force of nature.

A 3000 kg freight train traveling at a rate of 2 m/s strikes a stationery 3000 kg freight car and couples up. What is the speed of the 2 cars as they move together after the collision?

Now, address the Focus Question: Orange juice, Jello, and mayonnaise-what makes them different? In answering this question, classify each mixture as a solution, colloid, or suspension and indicate the properties that each would exhibit.

A sound level of 96 dB is how many times as intense as one of 90 dB?

The mass number of a nucleus decreases during which nuclear reaction

A man moving at 2 m/s accelerates at a rate of 3 m/s² for 2.5 seconds. What is the new velocity of the man?

For each of the following news stories, determine whether the objects speed or velocity is given: the world record for the hundred-meters dash is about 10m/s; the wind today is 30 km/h from the north-west;

How to find initial velocity

Newer telephone circuits, built during the last decade, offer higher quality because they were built using analog transmission. True False

How do you solve a problem like this: How much force must Mr. McDonald exert to lift a 112 kg object? What would happen if Mr. McDonald would exert more than the the required force to lift the object?

Which type of galaxy is a spherical cluster of stars with extraordinary brightness and little dust and gas?