An object in circular motion has velocity that is constantly changing. The direction of the acceleration is

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

An incident light ray strikes water at an angle of 20 degrees. The index of refraction of air is 1.0003, and the index of refraction of water is 1.33. The angle of refraction rounded to the nearest whole number is °.

During a chemical reaction what is always transferred

Real gases do not exist. a. True b. False

Why does an object have a different weight on the moon than it does on Earth A. objects move slowly on the moon b. the Earth and the moon have different values for acceleration due to gravity C. everything is weightless in space D.

One liter of water at 56◦C is used to make iced tea. How much ice at 0 ◦C must be added to lower the temperature of the tea to 20 ◦C? The specific heat of water is 1 cal/g · ◦ C and latent heat of ice is 79.7 cal/g. Answer in units of g.

What. Is the acceleration of a racing car if it's speed is decreased uniformly from 66 m/sec to 44 m/sec over an 11 sec period

Write extensively on expansion of liquid and water. I will mark brainliest answer

A 100 kg train traveling at 20 m/s crashes into a stationary 400 kg car. After the collision the car and the train are stuck together. What is their velocity.

How your weight would change with time if you were on a space ship traveling away from, earth toward the moon