An astronaut weighs 863 N on Earth. What is the astronaut's mass?

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

An iron nail is made up of particles. What is true about the particles? They move all over the place. The force of attraction between them is small. The spacing between them is large. They stay in place and vibrate.

What's a streak plate?

Why do lunar and solar eclipses not happen every month? Eclipses only occur during full and new moons. Earth rotates around its axis faster than the moon. The moon and Earth only travel through the penumbras.

Determine whether the following augmented feedback statements are examples of knowledge of results (KR) or knowledge of performance (KP). a. Your foot placement on the beam should be more angled. b.

Less work was done. What is one possible reason why this has happened? A. There was more force applied; therefore, there was less movement. B. There was less force applied; therefore, there was more movement. C.

What are the optimal conditions for using a solar oven?

What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 5.5 mm and an eyepiece whose focal length is 2.9 cmcm? Follow the sign conventions.

Who was the first person to observe a sign of molecular motion?

sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 1.90 m/s. The coefficient of kinetic friction between sled and ice is 0.110. Use energy considerations to find the distance the sled moves before it stops.