What activates a convection current starting the flow of liquid

A hockey puck wont slide very far on concrete or asphalt, but it will slide for a very long time on ice. Why is this?

Which particle is transferred from one object to another to create a static charge? A. Electron B. Proton C. Molecule D. Atom

What is a example of a real life scientific inquiry problem

sage has a walking speed of 300 feet per minute on the way to gate 14c at the airport sage has the option of using a moving sidewalk. by simply standing on the sidewalk, it would take 4 minutes to get to the gate that is 800 feet away.

A person is able to exert 500 N of force while moving a wheelbarrow. The work done on the wheelbarrow is 1500 J. How far was the wheelbarrow moved?

In the formula for specific heat, which quantity is measured in units of J/g•°C? a - c b - Q c - T d - m

The acceleration of an object is proportional to which of the following? the mass the energy of the object the inverse of the mass the inverse of the force applied

Suppose you squeeze a sponge into a small ball. does the mass of the sponge change? Does it's density change?

A solid round bar with diameter of 2-in has a groove cut to a diameter of 1.8-in, with a groove radius of 0.1-in. the bar is not rotating.

If a pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25. N for 10 M. The handle she pulls on makes an angle of 36.5 degrees with the horizontal. How much work does she do over the ten meter distance?