Give two examples of ways to conserve energy at home.

A force parallel to the x-axis acts on a particle moving along the x-axis. This force produces potential energy U (x) given by U (x) = αx4, where α = 0.750 J/m4J/m4. # What is the magnitude of the force when the particle is at x = - 0.

Define 1 standard kg

A biker going around a circular track at constant speed is accelerating. Why? A. Direction is constantly changing B. Gravity is pulling on it C. The speed us changing D. The earth is rotating

What is one of the most precious natural resources we have is A) crops B) soil C) trees

Which of these rocks are formed by volcanic activity? select the two correct answers. a. marble b. basalt c. limestone d. granite e. sandstone

If the rate $56 per 7 hours is reduced to a unit rate, the result is dollars per hour.

An oil drop with a mass of 8.3 grams and a charge of + 2.2 mC is floating 7.68 meters above a positively charged floor. What is the magnitude of the charge on the floor?

True or false? disk blocks are made up of one or more sectors

Write a paragraph showing the relationship between chemistry and physical based on what you've learned from the periodic table

An aluminum screw has a density of 2.7 g/mL and a volume of 15mL. What is the mass of the screw?