What is true about scientific "law"?

all experiments appear to "prove" the theory

all predicted observations are verified

the law is repeatable

no exceptions to the law are known

all of the above

How is the particle displacement related to the direction of wave movement in a longitude wave?

This system forms a cage around your lungs and heart it is a way to protect these organs. These are your_and they are part of your_system.

Which variable stars have pulsation periods between 1.5 hours and 1.2 days? A. Cepheid variables B. Protostars C. RR Lyrae variables D. Nebulas

A cylindrical rod has equal and opposite forces applied perpendicular to its circular ends. the forces are directed away from the rod, stretching the rod. what type of stress is this rod subject to?

Name two examples of deposition.

Microwave ovens emit microwave energy with a wavelength of 12.3 cm. What is the energy of exactly one photon of this microwave radiation?

When light bounces off a surface, which component will be reflected more - the component that is parallel to the surface, or the component that is perpendicular to the surface, and why?

What is 18 degrees celsius in fahrenheit?

A small object moves along the x-axis with acceleration ax (t) = - (0.0320m/s3) (15.0s-t). At t = 0 the object is at x = - 14.0 m and has velocity v0x = 8.90 m/s. What is the x-coordinate of the object when t = 10.0 s?

Nitrogen and Hydrogen react to form ammonia (NH3). The reaction looks like this: Ammonia What is the ratio of nitrogen atoms to hydrogen atoms in ammonia? 1 to 2 1 to 3 2 to 1 3 to 1