If an object starts at rest and moves 90 meters south along a straight line for 3 seconds, what is its average velocity?

A. 90 m/s

B. 30 m/s, South

C. 30 m/s

D. 270 m/s, South

What part of the plant takes in the carbon dioxide

Who created a steel plow

A woman (m = 45kg) is kneeling on the shoulders of a man (m = 70kg) in pair figure-skating while both are traveling at 1.5 m/s. The man gracefully accelerates the woman forward into the air.

A person stands in an elevator weighing a Cheeseburger with a kitchen scale " lit could happent The mass of the cheese burger at 10 ilsoka The scale reads l-ION Determine the magnitude ana Lirecteon of the netforce on the Cheeseburger

Describe what a reactant is

2. How is temperature related to kinetic energy?

As stream velocity decrease, which factor will likely increase? A) erosion of the stream bank B) deposition of material in the stream C) amount of material carried downstream D) size of the particles carried downstream

What cells in the nervous signals travel through the nervous system

A mechanic pushes a 3.60 ✕ 103-kg car from rest to a speed of v, doing 5,130 j of work in the process. during this time, the car moves 21.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?