Apply Which has more gravitational potential energy: a bird on the ground or the same bird in a tree? Why?

Which describes an object in projectile motion? Select three options. Gravity acts to pull the object down. The object moves in a straight path. The forward velocity of the object is 0 m/s. The object's inertia carries it forward.

65. A length of wire is bent into a closed loop and a magnet is plunged into it, inducing a voltage and, consequently, a current in the wire.

When asked to name all the forces on a marker sitting in equilibrium on a desk, a student responds: "Since the marker on the desk is at rest, there are no forces acting on it." Why is this wrong? How would you restate it?

How is reflection of light used in research

The milky way appears to us as a patchy and irregular band across the sky. what accounts for this?

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.