To develop a product that warms peoples hands would you use an exothermic or endothermic reaction? Why?

What is the significance of the nose end marking on a rocket or missile?

Which object has a varying speed? A. a bird flying 10 m/s for 10 seconds B. a car slowing from 60 m/s for 10 seconds C. a fish moving at 2 m/s for 5 minutes D. a car traveling the speed limit

What would happen if the poles of the magnet were reversed?

Is Donald Trump the 45th president

What item would reflect rather than refract light? Magnifying glass Mirror Prism Lens

A 5.90-g lead bullet traveling at 410 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in

How do you scientists determine the number of neutrons in an isotope of an atom?

Why is energy efficiency important to society's need to be efficient with energy usage?

A wave has a wavelength of 9 mm and a frequency of 14 hertz. What is its speed?

Where would you weigh the most? Mars Pluto Earth The Sun The moon