What is the potential energy of a 2150-N boulder on a cliff that is 18 meters above the ground?

When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations that can lead to this feeling?

A nylon string has a diameter of 2 mm pulled by a force of 100 Newton. Determine the stress?

Calculate the speed of a 3.5cm sound wave of frequency 8000Hz

Can a simple inclined plane have a mechanical advantage less than one? Explain your answer. (Hint: Can the height of a ramp ever be greater than its length?)

Calculate the work done in lifting a 500-N barbell 2.2 m above the floor. What is the potential energy of the barbell when it is lifted to this height? be bor

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems

Concave & convex lens of same mass & radii rotate about an axis passing through their centre & perpendicular to the plane which one will have greater mnment of inertia

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.

A star may form a black hole once it cannot?

Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip. Which best describes Kai's roundtrip?