The isotope cs-137, which has a half life of 30.7 years, is a radioactive product of nuclear power plants. how long will it take for an amount of the isotope to decay to 1/16 of its original amount

Which term describes the bending of a wave as it travels into a different medium? A. Reflection B. Interference C. Diffraction D. Refraction

Which type of star is the sun? red giant black dwarf main-sequence black hole

How can alleles be different?

1. Draw a diagram that shows two objects going in the same direction but with different velocities. 2. Draw two objects traveling at the same speed but with different velocities. 3. Draw two objects with identical velocities.

What does the speed of a wave on a string depend upon? ||

Which term defines the energy of motion? a. chemical energy b. electrical energy c. gravitational energy d. kinetic energy user: what is electromagnetic energy that travels in transverse waves? a. nuclear energy b. potential energy c.

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets