In an experiment to create a pendulum, each member of the group measured the length of the string to be a slightly different value. How do we describe these small differences when reporting the length?

Which of the following scientists did not support the wave motion of light? A. Fresnel B. Maxwell C. Newton D. Arago

Superman must stop a 115-km/h train in 160 m to keep it from hitting a stalled car on the tracks. The train's mass is 3.6 * 105 kg. Determine the force that must be exerted on the train.

If you were able to measure the motion of all particles of a sample and you used this data to find the average you would actually be measuring what

What can happen to the motion of an object when there is a resultant force on it

Earths layers can be defined by their chemical composition. from surface to center, what are these layers? A) Continental crust, oceanic crust, mantle B) Lithosphere, asthenosphere, mantle C) Crust, mantle, core D) Asthenosphere, lower mantle, core

Using the first definition of coefficient of elasticity given in the lab (based on velocity), if a ball strikes a surface with a speed of 10 m/s and rebounds just after the collsion with a speed of 3 m/s, what is the coefficient of elasticity

1. Car A has a mass of 8,000 Kg and is traveling at 40 miles per hour. Car B has a mass of 10,000 Kg and is traveling at 40 miles per hour. Which car has more kinetic energy?

Explain how the formation of an undertow differs from the formation of a longshore current.

When nuclear fission occurs, some mass is lost. Where does the mass go?

A wheel rotates through 5.7 rad in 2.6 s as it is brought to rest with constant angular acceleration. Determine the wheel's initial angular speed before braking began.