Why do objects that lie half in and half out of water appear distorted?

Jim quadruples the distance between himself and a sound source. What is the change in decibels of the sound he hears? A. - 6 dB B. - 12 dB C. + 6 dB D. + 12 dB

What are the three factors needed for Newton's Second Law?

If a bar magnet is broken into few pieces, what will the poles each individual broken piece be? How you can find out whether your answer is correct

How does the distance from an eye chart affect the number of letters that are recognized on a line

A 65 kilogram astronaut weighs 638 newtons at the surface of earth what is the mass of the astronaut at the surface of the moon, where the acceleration due to gravity is 1.62 meters per second squared

A stone is dropped into a deep well and is heard to hit the water 3.41 after being dropped. Determine the depth of the well?

Four objects are situated along the y axis as follows: a 2.09-kg object is at + 2.97 m, a 2.93-kg object is at + 2.53 m, a 2.57-kg object is at the origin, and a 3.92-kg object is at - 0.496 m. Where is the center of mass of these objects?

Which is one way scientists indicate how precise and accurate there experimental measurements are

During the falling of the ball it has potential gravitational energy or kinetic energy?

How can oxygen enter the lungs?