Which best describes the motion of the object between 1 and 4 seconds?

9. When you rub your hands together on a cold day, you use friction to transform A. mechanical energy into thermal energy. B. thermal energy into nuclear energy. C. nuclear energy into electrical energy. D.

Which quadrilaterals must have both pairs of opposite angles that are congruent? parallelogram and rhombus rhombus and trapezoid trapezoid and parallelogram trapezoid and kite

How does a solenoid convert energy from one form to another?

In Michael Johnson's world-record 400 m sprint, he ran the first 100 m in 11.20 s; then he reached the 200 m mark after a total time of 21.32 s had elapsed, reached the 300 m mark after 31.76 s, and finished in 43.18 s.

When an object reflects all the light waves that strike it looks white or black?

What is the energy source that heats a contracting protostar?

What unit is kg divided by m/s^2

If the energy stored in the fully charged battery is used to lift the battery with 100-percent efficiency, what height is attained? Assume that the acceleration due to gravity is 9.8 m/s2m/s2 and is constant with height

How does the mass of an astronaut change when she travels from earth to the moon? how does her weight change?

If an object has a mass of 20 grams and a volume of 40 cm3, what is its density in g/cm3?