If the batteries in a portable cd player provide a terminal voltage of 12.0 v, what is the potential difference across the entire cd player?

The Asian Silver Carp is an invasive species of fish which has infested a number of American rivers. The disturbance of passing boats has been known to make these fish leap large distances out of the water.

A 539 g ball strikes a wall at 14.4 m/s and rebounds at 13.8 m/s. The ball is in contact with the wall for 0.033 s. What is the magnitude of the average force acting on the ball during the collision? Answer in units of N.

What is a fossil fuel? 1. A nonrenewable energy source 2. Made from non-living matter 3. A nonrenewable energy source (same as A) 4. Made from humans

Carly places one end of a steel bar in a Bunsen flame and the other end in an ice cube. By what factor is the rate of heat flow changed when the bar's cross-sectional area is doubled? a. 2b. 1/2c. 4.0d. 1/4

1. A body whose mass is 2 kg and has a volume of 500cm just floats when completely immersed in a liquid. Calculate the density of the liquid

What is a mealworm a worm, an insect or an amphibian

What is the kinetic energy of a vehicle that has a mass of 3,500 kg and is moving at 40 m/s

Why did the wright brothers construct their own wind tunnel?

John heats 1 kg of soup from 25 °C to 70 °C for 15 minutes by a heater. How long does the same heater take to heat 1.5 kg of the same kind of soup from 20 °C to 80 °C? The energy output per unit time by the heater is constant.

What is a light-year equal to? A. the distance light travels in one year B. the time it takes light to travel 10 trillion kilometers C. the mean distance between the Sun and the center of our galaxy D.