Hola ayuda Por favor 1- Calcule la presión que ejerce un disco circular de plástico que se encuentra flotando sobre la superficie del agua de una piscina. El disco tiene un diámetro de 1,5 m y posee una masa de 6 kg.

2- Calcule la densidad de un líquido que se encuentra contenido en un tanque cilíndrico, si se sabe que el recipiente tiene una base de 1.2 m de diámetro y que el líquido tiene una masa de 5 kg. Además, la altura de la columna de líquido es de 1,3 m.

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors