Which describes the motion in a convection current?

a) horizontal motion only

b) vertical motion only

c) linear motion

d) circular motion

A 6.50-kg object is hung from the bottom end of a vertical spring fastened to an overhead beam. the object is set into vertical oscillations having a period of 3.20 s. find the force constant of the spring.

Raindrops make an angle with the vertical when viewed through a moving train window. If the speedometer on the train is showing that the speed of the train is v, what is the speed of the raindrops in the reference frame of the Earth in which they

When it orbited the Moon, the Apollo 11 spacecraft's mass was 14800 kg, and its mean distance from the Moon's center was 1.79877 * 106 m. Assume its orbit was circular and the Moon to be a uniform sphere of mass 7.36 * 1022 kg.

The center of mass of Earth's atmosphere is: a little less than halfway between the Earth's surface and the outer boundary of the atmosphere near the surface of the Earth near the outer boundary of the atmosphere near the center of the Earth none of

2.85 A police car is traveling at a velocity of 18.0 m/s due north, when a car zooms by at a constant velocity of 42.0 m/s due north. The police officer begins to pursue the speeder - first there is a 0.

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. the skipper estimates the distance between crests is 15 m. what is the speed of the water waves?

According to this lesson, how many major ice ages has the earth undergone? A. 2 B. 3 C. 4 D. 5

In 2016, the city of Rio de Janeiro had a population density of 5377 people/km2. What was the population density of Rio in people per square meter?

Which kingdom consists only of complex multicellular, eukaryotic organisms which must consume or ingest other organisms for nutrition?

A boy throws a ball straight up in the air with an initial velocity of V+3 mls. The ball reaches a maximum height and starts towards earth. The boy catches the ball at the same height that it left his hand. How long is the ball in the air? 6. a.