A test taker makes an estimate for a 30-second time interval. The estimate is 34.5 seconds. What is the percent error in this example?

Kendra wants to use similes to describe the reflection and absorption of waves. Which pair of similes best fit?

A piece of wood with density of 824 kg/m^3 is tied to the bottom of a pool and the wood does not move. The volume of the wood is 1.2 m^3. What is the tension is in the rope?

What is the device to break a circuit called?

A person exerts a horizontal force of 190 n in the test apparatus shown in the figure. Find the horizontal force that his flexor muscle exerts on his forearm.

How does a wave transfer energy?

Is it possible to put a distance versus time graph to be universal go mine

On very dry days, when you use a comb or a brush, your hair sometimes stands on the end and maybe even sticks to the comb or brush. Explain why this happens in terms of electric charge.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism