How does temperature change affect surface tension

What does hibranate mean

A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Determine the pressure exerted on the floor by each leg of the chair, assuming all weight is evenly distributed.

A 5.5 kg ball initially at rest is dropped from the top of a 12 m building. It hits the ground 1.75s later. Find the net external force on the falling ball

You catch, tag, and release 50 fish back into a pond. Then, you catch 25 more fish, 5 of which are tagged. What is the best estimate of the number of fish in the pond? A. 100 fish B. 250 fish C. 400 fish D. 625 fish

If the forces acting on an object are balanced, the object may change speed, change direction, or do both. true or false.

Give two factors that will increase the magnetic field strength of an electromagnet

What is an example of total internal reflection at work?

Explaining how momentum can cause motion an astronaut on a space walk floats a little too far away from the space station. without air to push against, he cannot paddle back. however, the astronaut is holding a hammer.

A one-piece cylinder has a core section protruding from the larger drum and is free to rotate around its central axis. A rope wrapped around the drum of radius 1.39 m exerts a force of 3.34 N to the right on the cylinder.

In which of the following situations or places would you want to reduce the force of friction? More than one answer A. Skiing down a hill during a race. B. Walking down a steep hill. C. Sitting in the bed of a pickup truck while it turns a corner. D.