Scientists believe the increase in disasters is due to a combination of natural and human-caused factors. List and describe at least one natural factor and one human-caused factor.

According to kepler's third law (p2 = a3), how does a planet's mass affect its orbit around the sun?

Consider a blackbody that radiates with an intensity I1I1I_1 at a room temperature of 300K300K. At what intensity I2I2I_2 will this blackbody radiate when it is at a temperature of 400K400K

We've seen that stout tendons in the legs of hopping kangaroos store energy. When a kangaroo lands, much of the kinetic energy of motion is converted to elastic energy as the tendons stretch, returning to kinetic energy when the kangaroo again

Suppose that the quarterback takes 0.30 s to return to the ground after throwing the ball. how far d will he move horizontally, assuming his speed is constant?

A marble with a mass of 1.5 grams rolls at a constant rate of 0.50 cm/s across a table. What is the magnitude of the marbles momentum?

What does viscosity describe? Question 4 options: A. a fluid's resistance to being heated B. the rate of evaporation of a fluid C. how much energy it takes to warm a fluid D. the density of a fluid E. a fluid's resistance to flowing

What perspective of dream interpretation is being offered? A. Freudian B. activation-synthesis C. Jungian D. motivation Not D

The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25°C. How many grams of chlorophyll, C55H72MgN4O5, a nonvolatile, nonelectrolyte (MW = 893.5 g/mol), must be added to 187.4 grams of diethyl ether to reduce the vapor pressure to 457.

You're driving down the highway late one night at 18 m/s when a deer steps onto the road 35 m in front of you. your reaction time before stepping on the brakes is 0.50 s, and the maximum deceleration of your car is 11 m/s

You can tell when you are in an earthquake s shadow zone. a. True b. False