What does uranium 235 decay into?

A. Lead 206

B. Lead 235

C. Hydrogen 235

D. Nitrogen 235

E. None of the above

What happens with alpha, beta, and gamma radiation?

Which of the following are good safety measures during a thunderstorm? A. Talk on a phone with a cord. B. Go inside a closed building. C. Do not use any equipment that plugs into a wall outlet. D. Carry an umbrella. E. Stand in an open space.

A train travels at a velocuty of + 50 m/s. it takes 8s to slow down to 5 m/s with constant acceleration. What was it's acceleration

Why mass does not affect period of the pendulum?

What are the factors affecting the refractive index? Explain?

How much work can be done by a 300 w motor in 60 sec?

What is the protoplanet theory

Moving a charged object against an electrical force causes it to

What is the wavelength of a sound wave with a frequency of 50hz (speed of sound is 342 m/s?

What was Galileo's contribution to the study of motion?