A solid ball has a radius of 2cm and a length of 7cm. It has a density of 3.1g/cm3

What is the mass of the cylinder?

How does weight by difference compare to something like saving pencil shavings and weighing them to find how much was sharpened off

An inclined is a simple machine that will increase the distance something moves, but it will reduce the amount of energy needed.

If you are attending a rock concert and the sound of the guitar is much louder than the singer's voice, which of the following conclusions would be most reasonable?

What are some of the challenges that you might face if you wanted to observe and study stars from Earth?

Which of these is true about the temperature of the Sun? A. The Sun is about the same temperature as Jupiter. B. The Sun is about the same temperature as Mercury. C. The Sun is much cooler than Neptune. D. The Sun is much hotter than Venus.

Why is the electromagnetic spectrum called a spectrum?

Ariana is accelerating her car at 4.6 m/s^2 it took her 10 seconds to reach this acceleration her starting lost the day was 0 meters per second what was her final velocity

The magnitude of the tidal force between the International Space Station (ISS) and a nearby astronaut on a spacewalk is approximately 2GmMa/r3. In this expression, M is the mass of the Earth, r=6.

A car designer is designing a new model of a popular car. He wants to use the same engine as in the old model, but improve the new cars acceleration.

A two-slit Fraunhofer interference-diffraction pattern is observed with light of wavelength 672 nm. The slits have widths of 0.03 mm and are separated by 0.24 mm. How many bright fringes will be seen inside the central diffraction maximum?