I have 2 parts red 3 parts cream and 1 part blue what do I need to make 4 litres of red

If given a device that has unknown circuitry, and you measure that the voltage across the device leads the voltage across a resistor at 500 Hz, can you know what type of elements are in the device? If so, how?

A ring of mass 32 kg has an angular velocity of 110 rad/s. The radius of the ring is 0.380 m. What is the rotational kinetic energy of the ring?

Explain why we can clearly through a flat sheet of glass, even though light is refracted as it passes through.

If you were designing a room in a house, where would be the better place to put a heater, near the floor or near the ceiling? Why? Consider your answer in the context of convection. 1.

Why is it possible to receive a suntan from ultraviolet radiation but not from radio waves?

If a negatively-charged rod is brought close to an electroscope that is negatively charged, what will the two leaves of the electroscope do? move closer together move farther apart not move at all become positively charged

Which of the following is found in large quantities in the Earth's crust? silicon nickel iron magnesium

A skater with an initial speed of 7.68 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. Air resistance is negligible. (a) The coefficient of kinetic friction between the ice and the skate blades is 0.105.

What happens when an organism is removed from a food chain?

A hiker walks 9.4 miles at an angle of 60° south of west. Find the west and south components of the walk. Round your answers to the nearest tenth. Ax = miles Ay = miles