What would be a controlled observation in an experiment

Which metallic properties are caused by atoms rolling over each other in metallic bonds? a. malleability and ductility b. shininess and ductility c. conductivity, malleability, and shininess d. ductility, conductivity, and malleability

Quarks are thought to be the basic component of what?

What is the basic premise of the universal gravitational law? Question 7 options: Each object in the universe that has mass attracts every other object that has mass.

A 2.5 m - long wire carries a current of 8.0 A and is immersed within a uniform magnetic field B⃗. When this wire lies along the + x axis, a magnetic force F⃗ = (-2.3j) N acts on the wire, and when it lies on the + y axis, the force is F⃗ = (2.3i-5.

For all values of x, y, and z, which expression is equivalent to 5xy. 5z? 5 (x + y + 2) 10xyz 25xyz 25 + x + y + z

An electric motor rotating a workshop grinding wheel at a rate of 151 rev/min is switched off. Assume constant angular deceleration of magnitude 2.23 rad/s 2. Through how many revolutions does the wheel turn before it finally comes to rest

1. What is the atomic number of an atom? Why is this number important? |

The car travels down the road at 60mph for 1.5 hours. How far does it go?

You are riding in an elevator on the way to the eighteenthfloor of your dormitory. The elevator is accelerating upwardwith a = 1.90 m/s2. Beside you is the boxcontaining your new computer; box and contents have a total mass28.0 kg.

Why is chopping carrots a physical change?