How far away is a train if you see the steam from it's nozzle 5sec before you hear it's sound (take the speed of sound is 331m/s)

Which statement accurately describes the difference between mass and weight? O Mass and weight change based on location. Mass remains the same while weight changes based on location. O Weight remains the same while mass changes based on location.

Why might farmer plant purebred crop seeds?

Why does Mercury have so little gas in its atmosphere? Choose one or more: A. Its escape velocity is low. B. It has a high temperature. C. It is close to the Sun. D. Its mass is small. E. It has no moons.

Which would BEST describes what occurs when a ball is thrown against a wall? A) The ball will not bounce off the wall. B) The ball hits the wall hard enough to bounce off of it. C) The wall is stronger than the ball and neither exerts any forces.

A seamount is an isolated land mass rising from the ocean floor. a. True b. False

We wrap a light, nonstretching cable around a 10.0 kg kg solid cylinder with diameter of 38.0 cm cm. The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a 14.

A 0.5kg baseball experiences a 10N force for a duration of 0.1s. What is the change in velocity of the baseball

A beam of light passes from air into a cube of zirconium if the angle of incidence is 40"what is the angle of refraction?

Which element combines chemically with sodium to form ordinary table salt? A) aluminum B) argon C) carbon D) chlorine

If an object moving in one direction slows down, then the direction of its acceleration is the same as the direction of its motion.