acalliafh acalliafh
  • 14-05-2020
  • Physics
contestada

A 25 kg rock resting on the bottom of a lake must be moved from the paths of boats. The rock has a density of 2350 kg/m^3. What force is needed to lift the rock while under water?

Respuesta :

seanpen
seanpen seanpen
  • 14-05-2020

Answer:

The force needed is the weight of the rock minus the buoyant force.

Explanation:

Answer Link

Otras preguntas

what are 3 important things from the news?
I need help plz help me
Look at the poster. Which persuasive techniques are used in this poster? Select 2 optioſis. glittering generalities about the viewer bc minute courts a simple s
PLZ HELP ME ITS DUE TOMORROW!!!!!!!!
can you pleas give me some text trailer ideas
Which one of these 3 Apple products is the best one?
Brian asked a group of people their favourite holiday destination. The results are summarised in the table. Destination UK Europe USA Africa Other Frequen
What is the gradient of the graph shown​
hydrochloric acid reacts with calcium carbonate to produce calcium chloride carbon dioxide and water. Chaneg word equations into formulas​
Someone please help me with this I really don’t understand it I will give brainliest please it’s urgent