Oddbjørn

From the top of a tower is an object with mass 25 kg which is lowered with ropes at a constant speed, 4 m / s to the ground. After 10 seconds the rope by which an object falls freely. From the moment there are 12 seconds to those standing on top of the to...

Hi I have a question in Physics A block with mass 50kg is held on a slope. Ù friction coefficient = 0.35 between the plane and the block .. Planets angle v with the horizontal is 25 degrees. How far will the block slide down the plane in 5 seconds after i...

Hey, have a question in Physics From a power magazine released 300,000 gallons of water pr.sekund into a pipeline leading to a turbine plant. Height difference between the magazine and the turbines are 300meter. The turbines provide 0.7 GW power. How larg...

Hi, I have a question for physics An object with mass m = 20 kg is released from a height h = 60 m above the ground. After 2 seconds, the object's quantity of energy Thanks for your help mvh Oddbjørn

Hello agein, a biger question this time. Height difference H 180 meters Flow T 3000 tons / second Delivery 4.2 GW P a) How large is the efficiency of the plant through the turbines? b) From turbine power plant goes through a cable stretch over a long stre...

Thanks for the reply, the problem with setting up the equation. Nice that you liked Norway, comes from Berlevåg in Finnmark, where have you been with the steamer. The first time I'm on your side.

Thanks for the answer