Which of the following are modified inclined planes?

Answer

pulley and wedge

lever and screw

gear and wedge

wedge and screw

In one hour Earth receives enough solar energy to meet the energy needs of the world for

An aircraft with a mass of 2700kg is moving across the runway at 2m/s. How much Force is involved?

Which of the 3 states of matter is easier to increase the temperature by one degree; in a liquid, in a solid, or in a gas?

How many grams are in 882 μg? & The density of gold is 19.3 g/cm3.? Answer the following: a. What is the volume, in cubic centimeters, of a sample of gold with mass 0.715 kg? b.

What are the basic units of mass?

What is the primary function of the small intestines

A nuclear power plant generates a total of 150mw of power and 45% of this power is wasted heat that is discharged on the cooling water of a river. the river flows at 660.43 gal/s and has an upstream temperature of 64.4 ⁰f.

The universe is believed to have been form from a very dense fireball billions of years ago.

What does the slope of the line on this velocity versus time graph represent? A. positive deceleration B. zero acceleration C. positive acceleration D. negative acceleration

Which of the following objects has the greatest kinetic energy? a baseball flying through the air at 90 miles per hour a baseball flying through the air at 45 miles per hour a baseball flying through the air at 20 miles per hour a baseball sitting