An object has a kinetic energy of 500 J and a mass of 30kg. how fast is the object moving?

A bar magnet is arranged with its north pole facing downward toward a conducting loop. The magnet is being lifted upward away from the loop.

How much heat is required, in joules, to complete the of 15.0g of water's phase change from liquid to steam? A. 150.7 J B. 33,900 J C. 62.7 J D. 5,010 J

Suppose a rollerblade racer finished a 132 meter race in 18 seconds. What is the average speed of the rollerblade racer?

What evidence shows that the burning of methane is a chemical reaction?

Which state of matter exist in an extreme high temperature found on stars A) liquid B) gas C) solid D) plasma

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines