The speed of a motorcycle at a particular moment is it's average speed or is instantaneous speed?

Which of these activities performed by a chemist is primarily based on an understanding of physics? A. using an indicator to determine if a solution is an acid, base, or neutral B. testing the molar concentration of a solution OC.

What increases when a wave period decreases.

Fatigue strength is generally significantly improved by using high steel a. alloy b. yield c. hardened d. ultimate strength e. all of these

The law of conservation of momentum states that, if left alone, the total momentum of two interacting objects that make up a system

How could you increase the amount of kenitic energy

There have been books written about how blood type affects personality or body shape. Knowing that blood type is determined by antigens on erythrocytes, are these claims scientifically valid? O True O False

A stone is dropped from a 80m bridge. How long does it take to fall?

How does an iron nail become a rusty nail

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?