The lowest frequency of electromagnetic wave that is visible to the eye is

What length nap has the same effect as drinking an energy drink? A. 90 minutes B. 10-20 minutes C. 60 minutes D. 30-40 minutes

Precision is related to the uncertainly in a measurement: true or false

After looking at his data, Stefan focuses his study on understanding why hipeople are behaving as they are. Which research orientation is he using? O A. Consensus sociology B. Critical sociology c. Global sociology O D. Interpretive sociology

A basketball rolls without slipping (starting from rest) down a ramp. If the ramp is sloped by an angle of 4 degrees above the horizontal and the ball rolls for a distance of 60 m along the ramp, what is its speed after rolling this far?

A book has a mass of 50 grams and an acceleration of 5 m/s/s. What is the force on the book?

What is the basic unit of each type of elements

White light is composed of all the colors of the visible light spectrum. The spectrum is usually said to consist of A) red, blue and green B) red, yellow, blue and green C) red, orange yellow, green, and blue D) red, orange yellow, green, blue, and

What did Ernest Reuther fourths gold foil experiment show about the nature of Atoms

A student pushes on a 20.0 kg box with a force of 50 N at an angle of 30° below the horizontal. The box accelerates at a rate of 0.5 m/s2. What is the value of the friction force on the box? 200 N 50 N 43 N 33 N

How does the kinetic energy of particles vary with temperature