Auniform meter stick is freely pivoted about the 0.20-m mark. if it is allowed to swing in a vertical plane with a small amplitude and friction, what is the frequency of its oscillations? a) 0.66 hz b) 0.92 hz c) 0.55 hz d) 1.1 hz e) 1.3 hz

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Properties seen when one one substance changes to another are known as properties

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material