What is the name of this specific silicon isotope

How do you find the velocity after a collision

According to this equation, F=ma, how much force is needed to accelerate a 70-kg runner at 5m/s2? A. 350 m/s B. 14 N C. 350 N D. 14 m/s

Of the list of objects below, write the ones you think would float in water: -Rock -Cruise ship -Quarter -Saturn -Beach ball

Attempting to alleviate stress directly by changing the stressor is known as

Find the magnitude of the horizontal force, in N, required to push an object a distance of 2.00 meters if the force did 0.0430 j of work to perform the task.

Electricity problem (coulomb's law)

An observer (O) spots a plane (P) taking off from a local airport and flying at a 29° angle horizontal to her line of sight and located directly above a tower (T). The observer also notices a bird (B) circling directly above her.

In order for convection to occur, you must have

Explain Newton's First Law for the following. If you walk across the room holding a ball, when should you drop it to ensure that it lands on a target? Before, after or when you are directly on the target?

In what way are all forms of potential energy the same?