A rock at rest falls off a tall cliff. what is the rock's velocity as the rock hits the ground 3.5 s later? ignore air resistance

A pesticide was applied to a population of roaches, and it was determined that the LD50 was 55mgkg. If the average mass of a roach was 0.02kg, which of the following approaches will determine the dose in mg per roach?

Which lists the organs in the correct order as food passes from the mouth to anus?

Both a fire blanket and the spray from a fire extinguisher put out a fire by pressing down on the fire and pushing any oxygen away. When there is no oxygen, the fire stops.

Which electrons have the greatest amount of potential energy?

What force is needed to give a 4.5 kg bowling ball an acceleration of 9 m/s^2

Which of these waves cannot travel in a vacuum? electromagnetic wave sound wave microwave light wave

A uniform cylinder of radius R and mass M is mounted so as to rotate freely about a horizontal axis that is parallel to, and a distance h from the central longitudinal axis of the cylinder.

A car accelerates from 3.5 m/s to 17 m/s in 4.5 seconds. Find the acceleration of the car in m/s2

At do we call the cells that are made as the end result of meiosis?

A force of 6.0 newtons changes the momentum of a moving object by 3.0 kilogramâ¢meters per second. how long did the force act on the mass?