According to the following isotope, what is the mass number, protons; electrons, and neutrons: 236
U
92

*mass#236;Protons 92;electrons 92; neutrons 144
*none of the above
*mass number#236;Protons 236;electrons 236;neutrons 92
*mass# 92;Protons 92;electrons 92;neutrons 92

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)