What does a mechanical wave always travel through?

A person is pushing a fully loaded 21.60 kg wheelbarrow at constant velocity along a plank that makes an angle?=20.0∘ with the horizontal. The load is distributed such that the center of mass of the wheelbarrow is exactly halfway along its length L.

Turns along roads are banked at an angle so that vehicles can safely negotiate the turns. A turn with a radius of 300 m has a banking angle of 10°. What is the ideal velocity at which a vehicle can negotiate this turn?

When titanium bonds with oxygen, the ionic compound that forms has the chemical formula Ti2O3 and consists of Ti3 + ions and O2 - ions. Explain why the compound has this chemical formula.

A student determined to test the law of gravity for himself walks off a skyscraper 900 ft high, stopwatch in hand, and starts his free fall (zero initial velocity).

A. make an argument for halting the advances of technology? b. make an argument for continuing advances in technology

Why are the sedimentary layers at capitol reef tilted?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

Why is flammability a chemical property?

Luke pulls a sled using a force of 65 N for a distance of 25 m across level ground. The rope Luke pulls forms an angle of 25° with the ground. About how much work does Luke do on the sled? 250 J 690 J 1,500 J 1,600 J

Intramolecular and intermolecular forces hold together which of the following? A. atoms within a molecule B. molecules within an object C. charged particles within a salt crystal D. the atoms within compounds E. all of the above