How much of a 24-gram sample will remain undecayed after one half life

Which statement about the horizontal distance covered by a projectile launched at an angle less than 90° is true? A. The distance covered in equal time intervals is equal. B. The distance covered in equal time intervals increases. C.

A boy is inning with a kinetic energy of 810j. If the boy has a mass of 80kg. What is his speed?

A war of attrition is based on wearing the other side down with constant attacks and heavy losses. True or false

Which statements describe the moment magnitude scale? Select three options. It measures only small earthquakes. It collects data using a seismograph. It shows the types of seismic waves that were produced.

Name and describe two forces that act on your body as you walk down the hallway.

Explain the work-energy theorem, including the direction energy moves and how it relates to positive and negative work

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

What would result from under-coverage? A. a lack of accurate result B. an incorrect independent variable C. an experiment D. accurate result

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.

A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. If the pod has a radius of3.00 cm and negligible mass, what isthe mass of the frog?