A piece of copper is measured to be at 10°C and 115 grams in mass. If 1300 calories were added to it, what was the final temperature of the copper?

If you are swimming upstream (i. e., against the current), at what speed does your friend on the shore see you moving?

Light traveling in a medium of index of refraction n1 is incident on another medium having an index of refraction n2.

How many personalities can a person have?

What is the mass of an object if a force of 34 N produces an acceleration of 4 m/s/s?

Does technology always follow science

An electron is acted on by two electric forces, one of 2.7*10-14 N acting upward and a second of 5.8*10-14 N acting to the right. What is the magnitude of the electric field at the electron's location?

A satellite on a Low Earth Orbit is flying with a speed of 7.65 km/s. The vertical component of the Earth's magnetic field is 35.3 μT at the current location of the satellite.

A central air conditioner uses 4.5 kilowatts. It runs for 10 hours over the course of a day. How much energy does the air conditioner use during that day?

Hich of the following needs is an addition to Maslow's original hierarchy and only appears in the eight-stage revised model

What color of light can plants "see"?