Displacement of a runner who runs exactly 2 laps around a 400 meter track?

What are three types of scientific investigations?

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge.

If a single circular loop of wire carries a current of 61 A and produces a magnetic field at its center with a magnitude of 1.30 10-4 T, determine the radius of the loop.

Which of the following will decrease volumetric efficiency in a reciprocating engine? 1. Full throttle operation. 2. Low cylinder head temperatures. 3. Improper valve timing. 4. Sharp bends in the induction system. 5.

Displacement vectors A, B, and C add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 25.6° north of east. Vector B has a direction of 41.0° east of south, and vector C has a direction of 35.1° north of west.

A climber using bottled oxygen accidentally drops the oxygen bottle from an altitude of 4500 m. If the bottle fell straight down this entire distance, what is the velocity of the 3-kg bottle just prior to impact at sea level? A. 300 m/s. B. 150 m/s.

The Doppler effect is the change in of a wave due to the motion of the source and/or receiver.

In a sentence, how is speed and motion related?

5. What would increase the force of gravitational attraction the most? (HINT-Look at formula)

How does flowing water change the earths surface