A student forms the following hypothesis if people wear bright colors, they will be happier. What is/are the problems with this hypothesis?

A force sets an object in motion when the force is multiplied

A horizontal force of 175 n pushes a 17 kg block up a frictionless incline that makes an angle of 43° with the horizontal. (a) what is the normal force that the incline exerts on the block?

What must be the contact area between a suction cup (completely exhausted) and a ceiling in order to support the weight of a 54.3 kg student? the acceleration of gravity is 9.8 m/s 2?

How does lighting work?

If the line spectrum of lithium has a red line at 670.8 nm. How much energy does a a photon with this wavelength have?

What do scientists use to look at cells, tissues, and small organisms to see how their biological processes differ in space? vibration flybys airlock microgravity

Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds

A wagon is accelerating down a hill. which statement is true?

What eventually happened to the carbon dioxide in the atmosphere of early earth

Why arent insulators allowed in operating rooms