What is the energy difference between the second excited state and first excited state of an electron in the "box" of size L=1nm? A) 1.9 eV B) 1.1 eV C) 0.6 eV D) 0.3 eV E) 0.2 eV

How long will it take an object to move 100 meters if the object is traveling with an average speed of 0.5 meter per second

Electromagnetic force is present when electromagnetic fields

Suppose you have two cars, and the larger one is twice as massive as the smaller one. If you and a friend push on them so that their acceleration are equal, how must the forces applied to the cars compared?

Check Which statements explain why theories change over time? Check all that apply.

The moons of Mars, Phobos (Fear) and Deimos (Terror), are very close to the planet compared to Earth? s Moon. Their orbital radii are 9,378 km and 23,459 km respectively. What is the ratio of the orbital speed, v, of Phobos to that of Deimos? A) 1.

The force on a current-carrying wire is a maximum when the current is moving parallel to a magnetic field. true or false

In 1999, what percentage of 36-month-old toddlers had been toilet trained? 20 percent 40 percent 60 percent 80 percent

Tarzan, in one tree, sights jane in another tree. he grabs the end of a vine with length 20 m that makes an angle of 45â with the vertical, steps off his tree limb, and swings down and then up to jane’s open arms.

Applying the Law of Conservation of Momentum Train car A is at rest when it is hit by train car B. The two cars, which have the same mass, are stuck together and move off after the collision.

Each of the objects above is composed of identical thin sticks of uniformly distributed mass 5.51 kg and length 0.737 m.