A baseball travels 50 meters in 4 seconds what is the average velocity of the baseball?

A person who has a mass of 55 kg is standing in an elevator which is accelerating downward. Acceleration due to gravity is 10 m/s2. a) At what rate (in m/s2) must the elevator accelerate for the person to feel weightless

Which weights would you use on a single thread to create a 6.86N force

How much force is required to pull a spring 3.0 cm from its equilibrium position if the spring constant is 3.7 x 103 n/m?

How far does the moon move away from earth every year?

How is the structure of a unicellular organism different than the structure of a multicellular organism? How does this effect the function

Which of the following is NOT a way to increase the solubility of a solid in water? A. crushing the solid B. shaking the mixture of solid and water C. raising the temperature of the water D. letting the mixture stand still a long time

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?