What is a responding variable in science?

For an experiment, 9.7 ml of hcl are needed. what is the best instrument to use for measuring this volume?

An atom that has fewer neutrons than protons and more electrons than protons is a ion

When monochromatic light is incident for a short period of time on a thin barrier having two slits, how will a screen placed in front of the slits appear?

explain why when someone uses his thumb to push a pin into a block of wood the pressure on the wood is greater than the pressure on this thumb

A skater extends her arms horizontally, holding a 5-kg mass in each hand. She is rotating about a vertical axis with an angular velocity of one revolution per second.

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

In any food chain or web, the original source of energy is

Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land

How much energy (in joules) is required to evaporate 0.0005 kg of liquid ammonia to vapor at the same temperature?

It is 5.5 km from your home to the physics lab. As part of your physical fitness program, you could run that distance at 10 km/h (which uses up energy at the rate of 700 W), or you could walk it leisurely at 3.0 km/h (which uses energy at 290 W).