How do you make a spectroscope

You are to drive to an interview in another town, at a distance of 310 km on an expressway. The interview is at 11:15 a. m. You plan to drive at 100 km/h, so you leave at 8:00 a. m. to allow some extra time.

Which statement explains why a blue house looks blue? The house reflects mostly red and green light The house absorbs mostly blue light The house reflects mostly blue light The house reflects every color expect blue

When designing a roller coaster what are the biggest considerations?

Technician A says balance shafts are used to counteract vibration created in the engine. Technician B says proper balancing of the engine is important for smooth operation. Which technician is correct?

The material removal processes are a family of shaping operations in which excess material is removed from a starting work part so that what remains is the desired final geometry: A. True B. False

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol

Locomotor movement applies to which of the following motions running squatting bending twisting

Which of the following is a feature of the sun's radiation? A. It cannot travel through air. B. It cannot travel through vacuum. C. It is made up of rays of the same frequency. D. It is made up of rays of different wavelengths.

determine the pressure exerted on the surface of a submarine cruising 175 ft below the free surface of the sea. assume that the barometric pressure is 14.7 psia and the specific gravity of seawater is 1.03.

9. An astronaut of mass 90 kg walks in space outside her spaceship and receives a 30-N force from a nitrogen spurt gun. What acceleration does she experience?