It is easier to drive In sharp nails in a piece of wood than the blunt ones why?

A 10 - kg object is dropped from rest. after falling a distance of 50 m, it has a speed of 26 m/s. how much work is done by the dissipative (air) resistive force on the object during this descent?

The wetland where a species of a wading bird nests and hunts for food is drained to make way for a housing development. This is an example of A. selective cutting B. habitat destructing C. conservation D. habitat fragmentation

If Sue uses a force of 80 N to move a box that had a mass of 35 kg a distance of 25 m, how much work did she do?

Select all that apply. Pick the TWO true statements from the following: Graduated cylinders are used to measure volume. All graduated cylinders measure liquids with the same precision.

Distinguish between "conduction", "convection" and radiation as related to heat transfer.

What produces an electromagnetic wave? A) An oscillating or accelerating electric charge B) An electric charge moving at constant velocity C) A static electric charge D) A magnetic monopole moving at constant velocity

A physics book has a height of 25.8 cm, a width of 20.2 cm, and a thickness of 2.90 cm. (a) What is the density of the physics book if it weighs 20 N? kg/m³ (b) Find the pressure that the physics book exerts on a desktop when the book lies face up.

A 24 volt battery is connected to a 3Ω resistor and a 5Ω resistor in series. What is the current in the circuit?

Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brakes may be out of adjustment.

What are three types of muscle fibers? A.) smooth, intermediate-twitch, cardiac B.) slow twitch, intermediate twitch, fast twitch C.) smooth, cardiac, skeletal D.) slow twitch, fast twitch, involuntary