List two reasons why the limestone blocks of the pyramids were so difficult to push across land.

Find the mass of an object that has a density of 1.5 g/cm' and has a volume of 8 cm.

Which of these currents blows from florida and affects the climate of europe? a. gulf stream b. california current c. kuroshio current d. alaskan current

What is the kinetic energy of a 2,000 kg boat moving at 5 m/sec?

A scene in a movie has a stuntman falling through a floor onto a bed in the room below. The plan is to have the actor fall on his back, but a researcher has been hired to investigate the safety of this stunt.

When the water In a water heater gets hot, what type of energy increase

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?

What is the result of a mutation during replication A: the strands are different B: the strands are identical c: the strands are broken D: the strands are continuous

What is ___ heating of a liquid__ gas to liquid