The forces acting on a falling leaf are.

a. Air resistance and fluid friction.

b. Gravity and air resistance.

c. Gravity and static friction.

d. Weight and rolling friction.

an airplane travles down a runway for 4 seconds with an acceleration 9.0 m/sec^2. What is its change in velocity during this time?

What happens to white light when it passes through a prism

Tech A says that tires are marked with a date code listing the date the tires should be discarded. Tech B says that any tires with a three-digit date code should be discarded because they are too old to be safely in service. Who is correct?

What planet has the least amount of inertia

Marissa does 3.2 J of work to lower the window shade in her bedroom a distance of 0.80 m. How much force must Marissa exert on the window shade?

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?

Which element in period 3 on the periodic table is a metallioid