How many protons are in the radioactive isotope 40/19K?

What is the action force and the reaction force when you sit down on a chair

In the context of depth perception, which of the following is a monocular cue? (A) Vivid colors (B) Disparity (C) Convergence (D) Texture gradient

6. What is the definition of the word PER?

Is it possible, negative temperature in Kelvin scale?

um corpo de massa 100kg encontra-se a uma altura de 180m numLocal onde g = 10m/s² quando e solto. Qual a sua energia potencial gravitacional após de queda? Qual sua energia cinética ao atingir o solo?

A measure of the energy of motion of the particles in a substance is its

What is the final velocity of the combined bumper cars A 225 kg red bumper car is moving at 3.0 m/s. It hits a stationary 180 kg blue bumper car. The red and blue bumper cars combine and hit a stationary green bumper car of mass 150 kg.

0.4-L glass of water at 20°C is to be cooled with ice to 5°C. The density of water is 1 kg/L, and the specific heat of water at room temperature is c = 4.18 kJ/kg·°C. The specific heat of ice at about 0°C is c = 2.11 kJ/kg·°C.

Regions in a sound wave where particles are farthest apart are called

What will happen to thermal condictivity of a substance if its thickness is doubled? Also give reason.