Carbon-14 has a half-life of 5730 years after how many half lives will 120 g of carbon-14 decay to 15 g

A. One

B. Two

C. Three

D. Four

A car traveling at 7.3 m/s accelerates at the rate of 0.82 m/s2 for an interval of 7.4 s. Find vf.

Question 7 Review Which particles are not affected by the strong force? A. hadrons B. protons C. neutrons D electrons Submit A Hide Toolbar

What is the difference between muscular endurance and muscular strength? A) Muscular strength refers to the amount of force in one effort, while muscular endurance refers to performing repeated movements.

In a nuclear power plant, a special fuel called radioactive uranium is used to generate heat and produce steam. True False

Can an object have increasing speed while its acceleration is decreasing? a) No, this impossible because of the way in which acceleration is defined b) No, because if acceleration is decreasing the object will be slowing down c) Yes, an example

One mole of water is equivalent to 18 grams of water. a glass of water has a mass of 200 g. how many moles of water is in this?

A ball is thrown upward and reaches a maximum height of 100m and then returns back to where it was launched. The displacement of the ball is A) 0 m B) 100 m C) 200 m D) more than 200 m

What does the difference in force depend upon?

An aircraft with the mass of 300000kg is flying at an altitude of 2000m with a speed of 100m/s what is the kinetic energy of the aircraft

What is the main idea behind the law of definite proportions?