An object is dropped from rest.

What is the acceleration after 3 s?

The acceleration of gravity is 9.8 m/s.

Explain the role that restriction enzymes and gel electrophoresis play in DNA profiling.

Neutral Atom: Na, Ca, I, O Ion: Na + Ca+2 I - O-2 What are some differences you observe between the Neutral Atoms and the Ions?

La onda sinusoidal mostrada en la figura anterior se desplaza en la dirección del eje x positivo y tiene una frecuencia de 18.0 Hz.

5. The moon's gravity is one-sixth that of the earth. What is the period of a 0.50 m long pendulum on the moon?

The student has access to the following measurement equipment: a spring scale, a meterstick, and a stopwatch.

A force is applied to a 13.0 kg wagon to pull it down the sidewalk at a constant speed. The coefficient of kinetic friction is 0.65. Considering the resulting frictional force, what is the magnitude of the applied force?

Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planers in orbit around the Sun.

What wave-like property of light causes it to bend when encountering an opening? A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

Which of the following statements describe sliding friction? Select all that apply. 1.) a force that causes an object to increase speed 2.) a force in which one of the objects involved must be a liquid or a gas 3.

What do a broken rode and a volcano eruption have in common