Sobre una mesa se mueve un cuerpo con una velocidad de 101n/seg. El cuerpo abandona la mesa y cae 2,5m de ella.
¿Cuál es la altura de la mesa?

por favor ayudaaas​

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?