if the accepted thickness of aluminum foil is 1.5x10^5 is your answer percise, accurate or both. explain your answer

A uniform metre rule of mass 200g is pivoted at 0cm mark. Calculate the force which would be applied vertically up at the 60cm mark to keep the rule horizontal

A soccer ball is traveling at a velocity of 50 m/s. The kinetic energy of the ball is 500 J. What is the mass of the soccer ball? (Formula:) 0.1 kg 0.2 kg 0.4 kg 0.5 kg.

What is meant when Earth's systems are said to be "dynamic"? they are all the same type they are slow moving they cannot be measured they are constantly changing

Suppose that the entire Universe began to contract (collapse) right now. Five billion years from now, an astronomer looking at the spectra of galaxies. What would be the changes noted? A.

Heat energy flowing up the handle of a spoon placed in boiling water is an example of which type of heat transfer.

The luminous star Alnilam in the Orion belt is 1,340 light-years away from Earth. Use the conversion factor 1 parsec = 3.262 light-years to find the closest conversion of this distance from light-years to parsecs (pc).

How do astronomers know what conditions exist inside the Sun?

An object is moving but we don't know its mass or velocity. A force of 20 newtons to the right is exerted on the object for 20 seconds. What is the (vector) change in linear momentum for the body as a result of this impulse?

Which friction-reducing technologies are used in the Variable Compression Turbo Engine?

A quadraphonic car stereo operates on electric current provided by the car's 12V battery and is connected in series. Each channel of the stereo, which feeds the electrical signal to one of the stereo's four speakers, has a resistance of 4.1 oums.