Sodium-22

Sodium-25

# of protons

# of neutrons

# of electrons

Determine the required height h of the roller coaster so that when it is essentially at rest at the crest of the hill A it will reach a speed of 100km/h when it comes to the bottom B.

Which muscle disorder does donna's doctor diagnose? donna is suffering from leg pain in which the calf muscles contract involuntarily. donna's doctor diagnoses her wit

A. make an argument for halting the advances of technology? b. make an argument for continuing advances in technology

What is the living planet index and what does it suggest about current biodiversity trends

True or false Head on collisions are the most dangers kind of collision.

Which is the best example of Newton's Second Law of Motion? A student has on roller skates and he decides to push against the railing. He immediately begins to roll backwards. A small ball and a larger ball with greater mass are dropped from a roof.

Which of the following represents a car traveling 20 miles/hour? 40 miles traveled in 2 hours 60 miles traveled in 6 hours 40 miles traveled in 3 hours 10 miles traveled in 5 hours

What is micromegas consider to be

A group of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s. Which best explains why the object will not successfully orbit Earth? A.) There is not enough air resistance to keep the object moving. B.

Why is a coin able to float on top of water in a glass