In order for a ship to stay afloat, its buoyant force must be

An air-track cart with mass m1=0.31kg and initial speed v0=0.90m/s collides with and sticks to a second cart that is at rest initially. if the mass of the second cart is m2=0.50kg, how much kinetic energy is lost as a result of the collision?

As water heats in a pot on a stove, it might produce some mist above its surface right before the water begins to roll. What is happening?

How do we use the electromagnetic spectrum to determine how far things are in the universe and how they move?

Compute your average velocity in the following two cases: (a) You walk 50.2 m at a speed of 2.21 m/s and then run 50.2 m at a speed of 4.11 m/s along a straight track. (b) You walk for 1.00 min at a speed of 2.21 m/s and then run for 1.16 min at 4.

An object of mass M is dropped near the surface of Earth such that the gravitational field provides a constant downward force on the object.

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy

If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?

What is the correct formula for electrical power? l