Motion combines the concepts of position change (length) and time. Which of the following combination of units is used to describe the velocity of a moving object?

length x time

length/time

Length/time^2

time/length

Which is the best analogy of a wave? -A wave is like building a ramp. -A wave is like shaking a hand. -A wave is like water rippling in a pond. -A wave is like knocking down a building.

Which of the following statements is TRUE? A. Elements in the same group have the same number of electron shells. B. Elements in the same period have the same number of valence electrons. C.

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

For the circuit, suppose C=10µF, R1=1000Ω, R2=3000Ω, R3=4000Ω and ls=1mA. The switch closes at t=0s. 1) What is the value of Vc (in volts) just prior to the switch closing? Assume that the switch had been open for a long time.

A standard 1 kilogram weight is a cylinder 48.0 mm in height and 55.0 mm in diameter. What is the density of the material?

Under what conditions is energy conserved

To practice problem-solving strategy 5.2 dynamics problems. a 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 n, against a friction force of 210 n. what is the acceleration of the box

What are the processes in which materials move through a cell membrane?

A cylindrical gaussian surface surrounds an infinite line of charge. the flux φe through the two flat ends of the cylinder is

Calculate the maximum acceleration of a car that is heading up a 4º slope (one that makes an angle of 4º with the horizontal) under the following road conditions.