What will be the time period of simple pendulum at the center of earth

Explain how to run off water could pollute streams and rivers

Use KE=/frac{1}{2}mv^{2} Susan and Hannah are each riding a swing. Susan has a mass of 25 kilograms, and Hannah has a mass of 30 kilograms. Susan's swing moves with a velocity of 10 meters/second, while Hannah's swing moves with a velocity of 8.

In this lesson, you learned about renewable energy resources and nonrenewable energy resources. Think about the resources discussed in this lesson and select the one that you think is the most effective in all ways

A ball is dropped from rest. What will be its speed when it hits the ground in each case. a. It is dropped from 0.5 meter above the ground. b. It is dropped from 5 meters above the ground. c. It is dropped from 10 feet above the ground.

A soft-drink bottler purchases glass bottles from a vendor. The bottles are required to have internal pressure strength of at least 150 pounds per square inch (psi).

A capacitor is storing energy of 3 Joules with a voltage of 50 volts across its terminals. A second identical capacitor of the same value is storing energy of 1 Joule. What is the voltage across the terminals of the second capacitor?

The monochromatic light diffracts on the two slits which are 0.1 mm apart (their size is negligible) and produces an interference pattern on the wall which is 3 m far from the apparatus.

Which of the following statement is true regarding the study of human development?

Which type of power plant uses energy directly from the sun to generate electricity? A. Wind B. Hydroelectric C. Radiant D. Coal

What is a scientific law? an explanation that clarifies scientific observations a hypothesis that proposes an answer to a question a statement that summarizes a pattern found in nature an observation that explains a hypothesis