A 2.0-kilogram mass is located 3.0 meters above

the surface of Earth. What is the magnitude of

Earth's gravitational field strength at this

location?

(1) 4.9 N/kg (3) 9.8 N/kg

(2) 2.0 N/kg (4) 20. N/kg

Substances that enhance the flow of current are called. Substances that inhibit the flow of current are known as. Substances that neither conduct nor inhibit well are called.

Consider a simple ecosystem of a shrub, worm, bird, and soil microbes and identify the producer, primary consumer, secondary consumer, and decomposers.

Why is electric field a vector?

What are some of the names given to the Moon by the Algonquin?

What factors affect momentum * mass only velocity only both mass and velocity either mass or velocity

What are two ways that convention currents in the ocean distribute the suns energy?

A 535 kg roller coaster car began at rest at the top of a 93.0 m hill. Now it is at the top of the first loop-de-loop. This roller coaster's track is nearly frictionless, so resistance can be ignored. Using g = 9.

A bulldozer does 45,000 joules of work to push a boulder a distance of 30 meters. How much force is applied to push the?

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

The Mississippi River carries tons of tiny rock fragments called sediments into the Gulf of Mexico. What do u think will happen to these sediments in a few million years