Assume that a coffee maker, a vacuum cleaner, a toaster, and an electric drill were all used for one hour. Which uses the most energy in that time?

A bird cab fly 25km/h how long does it take to fly 3.5km

As a skateboarder moves downhill, some of the energy of the skateboarder is A) lost. B) kinetic. C) potential. D) kinetic and some is potential.

How is it possible for white dwarfs to have a lower luminosity than the sun is much cooler than the white dwarfs

If you know air pressure how do you calculate force exerted on the tabletop

2. Why was it important to examine both the color and the streak of your minerals? Think about streak and explain why it's called a mineral's "true color". Answer in at least 2 sentences.

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.