What did Scientists use to view stars and planets from Earth

2. If the efficiency of a device is 64 %, what is the amount of Energy lost / wasted by this device? Explain

What topics are included in the study of physical geology?

A basketball rolls off a deck that is 3.2 m from the pavement. The basketball lands 0.75 m from the edge of the deck. How fast was the basketball rolling? Seema lists the given values in a chart and determines that the unknown value is vx.

You see a marble sign. Its letters are too worn to read. What caused this?

Why are some appliances called vampires

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?