Which is better for prying open a stuck cover from a can of paint - a screwdriver with a thick handle or one with a long handle? Which is better for turning stubborn screws? Explain

What ia the law of convesation of energy

A 10 kg object has 500 joules of kinetic energy because of its speed. How fast is the object traveling?

After a long night of cramming for a test, your college room-mate hits his head forcefully against the wall of your room in despair. According to Newton's 3rd Law, as he exerts a force against the wall, there must be an equal and opposite force.

When using a real machine to do work, input work will always be

If the Net Force of the object is 30 N to the left, and mass is 3 kg what is the objects acceleration?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?

A ship leaves the island of Guam and sails a distance 255 km at an angle 49.0 o north of west. Part A: In which direction must it now head so that its resultant displacement will be 125 km directly east of Guam?

What is the molecular geometry of a methane (CH4) molecule?

Why do scientist use radioactive decay to figure out how old stuff is