Ted walked 2.0 m west, 3.0 m west, and then 4.0 m east. what is the vector sum of his displacements, shown below?

A net charge is placed on a hollow conducting sphere. How does the net charge distribute itself?

Give three examples from the lab where potential energy was converted to kinetic energy

What scientific principle (s) does the toy yo-yo use? Explain in simple words if you can.

A large atom decays and emits a particle. After the reaction is complete, the atom's mass has changed substantially. What kind of particle has most likely been emitted? alpha particle beta particle positron photon

Does the nucleus of an atom have a positive electric charge?

Which of the following is true about cells? A. Cells have specialized components that perform different, specific functions. B. A cell's components are all identical and perform the same function. C.

How much heat is contained in 100 kg of water at 60.0 °C?

Which of the following statements is the best definition of weather? Weather is the current conditions in the atmosphere. Weather is the usual conditions in the atmosphere. Weather is the average conditions in the atmosphere.

Analyze: In the series circuit what characteristic was common throughout the experiment? What changed as you added more light bulbs?

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.