States that scores on IQ tests have steadily risen since 1920

A uniform solid sphere rolls down an incline without slipping. if the linear acceleration of the center of mass of the sphere is 0.19g, then what is the angle the incline makes with the horizontal?

Calculate the power a car engine contributes to speeding the 1400 kg car up to a highway speed of 60.0 mi/h in 14.0 s.

Physical science is A. A general survey of all science B. The study of earth, its weather, and the atmosphere C. The study of the environment and interaction between living things D. The study of rocks, minerals, and resources E.

What horizontally-applied force will accelerate a crate of mass 400 kg at 1 meter per second per second across a factory floor against a friction force of half its weight?

7 The weight of a space shuttle is about 20.0 million newtons. What is the space shuttle's weight when it is traveling through outer space?

Why is it necessary to evaluate an experiment

A positive charge Q1 = 34 nC is located at the origin. A negative charge Q2 = - 5.5 nC is located on the positive x-axis p = 15 cm from the origin. Calculate the location of x axis in cm where electric field is.

What scientific question does Isaac Asimov most clearly address with his story "Runaround"? A. Should robots be allowed to marry? B, should robots be treated as members of the family? C. Can robots be trained to follow a moral code? D.

The force generated by a single muscle fiber can be increased by increasing is called

Write an expression that results in a String consisting of the third through tenth characters of the String s.