A geologist estimates that a large boulder weighs 7840 N. What should he estimate the mass of this boulder to be? A. 650 kg B. 740 kg C. 780 kg D. 800 kg

What's the definition of volume

The force that accelerates objects towards earth

How does subjustion change the ocean florr this is acctualy in science

A weightlifter lifts a set of weights a distance of 2.00 m. If the weights have a mass of 60.0 kg and are pushed vertically upward at a constant speed, how much work is done on the weights?

The Passage states " the cooler lake waters suppress cloud development ... " because the water cools the air above it's surface. Explain why this cool air above the lake surface reduces the amount of cloud development

Electrical current is actually made of a. static charges. b. moving electrons. c. high or low voltage. d. resistance within a circuit.

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy