A box of mass 3kg is lifted onto a shelf. Calculate the change on its gravitational potential energy. The gravitational field strength is 10N/kg.

Does the construction of a high building slow down the rotation of the earth

What is a secondary color of light? A. It is a combination of a primary color with any other color. B. It is a shade of a primary color. C. It is a combination of two primary colors. D. It is any color except red, green, or blue.

Which light bulbs are coated on the inside with a powder? A. Incandescent B. Flourescent C. Neon D. Sodium Vapor

When performing an. experiment similar to Millikan's oil drop, a student measured the following load magnitudes: 3.26x10 ^-19 C 5.09x10 ^-19 C 1.53x10 ^-19 C 6.39x10 ^-19 C 4.66x10 ^-19 C I used these measurements to find the charge on the electron

Water vapor is cooled in which of the following processes? A. Turbulence B. Convection C. Precipitation D. Wind storms I believe it's C but I'm not sure.

When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?

Which best explains why the acoustics underwater affect the Doppler effect? Sound waves can not transfer energy through water. Sound waves can not travel through water. The speed of sound is less in water than in air.

What is the part of the cell that stores food?

2. A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in parallel across a 9.00-volt battery. What is the equivalent resistance of this circuit? (1) 0.200 12 (3) 4.62 1 (2) 1.95.22 (4) 45.012

What technology makes up the transducer? a. A phased array c. A PET scan b. An x-ray d. A laser