If the car went 30 km west in 25 min. and then 40 km south in 35 min., what would be its average speed?

A 5-kg boulder sits on the edge of a cliff 30 m above the roadway. What is the gravitational potential energy of the boulder on the cliff?

Correct me if I'm wrong, but if you put a glass of water outside when the relative humidity is 100%, the will not evaporate ... right?

Which of these is an element? A. Water B. Potassium C. Sugar D. Salad

Diferencie energia cinética de energia potencial gravitacional.

A reaction that releases heat is what

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?

What is the reasonable estimate for Lim g (x)