A hydrogen atom is about 0.1 nm in diameter. How many hydrong atoms lined up side by side would make a line 1 cm long?

Which of the following is/are the best example (s) of elastic collision (s) ? Explain why you chose your answer. A) A collision between two billiard balls. B) A collision between two automobiles. C) A basketball bouncing off the floor.

What is the structure or gap called where one neuron can pass a signal to another neuron or cell?

A jet lands at 80.0 m/s, the pilot applying the brakes 2.0 s after landing. Find the acceleration needed to stop the jet within 5.00 * 102 m

Give an example of a system whose mass is not constant. 1. A spinning top 2. A baseball flying through the air 3. A rocket launched from Earth 4. A block sliding on a frictionless inclined plane

What does the wavelength of visible light waves correspond to?

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.

A friend says, "Stars produce energy by a fusion chain reaction of helium into hydrogen." Evaluate the validity of this statement. A) It is an valid statement. Stars produce energy by a fusion chain reaction of hydrogen into helium.

If the mass of a material is 42 grams and the volume of the material is 15 cm^3, what would the density of the material be? answer: Unit:

35. An object of mass m moving at speed v0 strikes an object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v0.