An 84 kg skydiver is observed to be falling at an acceleration of 5 m / second squared. What is the magnitude of the force of air resistance on the skydiver?

Is the answer 1243.2 N

A system has 410 J of potential energy and 80 J of kinetic energy. Then 90 J of the potential energy is converted into kinetic energy. How much work was done on the system?

What is the electrical charge of a cation? a. positive b. negative c. no charge d. none of the above

What is role of skin in balancing body temperature during strenous excervise

A teenager walks 400m from her home to the grocery store and then return her home. If she left her house at 4:53 pm and returned home st 5:37pm what is average speed in m/s what is average velocity

If object weighs 30 n on the earth whatvis its mass

If two cars had the same engine, which delivered the same force to the wheels, but the first car was more massive than the second would the cars perform differently?

The two subspecies ties of astronomy are

Which best explains why scientific theories grow stronger over time?

Which of the following simple machines is not properly identified? A. Scissors: lever B. Pizza cutter: wedge C. Screw: wheel and axle D. Ramp: inclined plane

Two tiny spheres of mass 6.8 mg carry charges of equal magnitude