a man is trying to move a piano by himself, but it will not move, what force must they overcome to start the piano moving?

A humanoid skeleton is found buried in the ashes of a volcano that erupted between 10,000 and 12,000 years ago. when scientists use absolute dating techniques to obtain an age of the fossil, approximately how much carbon-14 isotope will remain?

Why is it more difficult to slide a crate starting from rest?

How much physical activity should an adult have each week? A. 60 minutes per day, 7 days a week B. 30 minutes per day, 7 days a week C. 60 minutes per day, 5 days a week D. 30 minutes per day, 5 days a week

A 50-cm^3 block of wood is floating partially submerged in water, and a 50-cm^3 block of iron is totally submerged in water. Which block has the greater buoyant force on it? Gustify) A) The wood B) The iron C) Both have the same buoyant force.

How can the velocity of an object be determined from a position-time graph?

Two particles, one with charge - 3.77 μC - 3.77 μC and one with charge 4.39 μC, 4.39 μC, are 4.34 cm 4.34 cm apart. What is the magnitude of the force that one particle exerts on the other?

What is the electrostatic constant?

Solve problem. Be sure to show your work and give a final answer with units rounded to the correct number of significant figures. 1) A wagon with a weight of 136 N is moved 19 m from its original location.

If the truck has a mass of 2000kg, what is its momentum v=35m/s

In an inelastic collision involving an isolated system, the final total momentum isA) more than the initial momentum. B) exactly the same as the initial momentum. C) less than the initial momentum.