Can you separate standards from testing?

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?