A 15.0 kg stone slides down a snow-covered hill, leaving point A with a speed of 10.0 m/s. There is no friction on the hill between points A and B(ground), but there is friction on the level ground at the bottom of the hill , between B and the wall. After entering the rough horizontal region, the stone travels 100 m and the run into a very long, light spring with force constant 2.00 N/m. The coefficient of kinetic and static friction between the stone and the hoizontal ground are .20 and .80, respectively. a) What is the speed of the stone when it reaches point B ? b) How far will the stone compress the spring? c) Will the stone move again after it has been stopped by the spring? d) Classify each force acting on the stone as conservative or non conservative. Explain

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

While studying chemical reactions and conservation of matter, sarah's class conducted a variety of experiments. sarah and her lab partner found the mass of a wax candle and placed the candle in a flask. the students lit the candle and let it burn to completion. all that was left was wax and charred candle wick. per their teacher's instructions, the students found the mass of the products. their data can be seen in the data table. formulate a hypothesis the students could test to explain why the experiment did not support the law of conservation of matter. a) the students could repeat the experiment using different candles; there might have been a flaw in the candle. b) the experiment should be repeatable. the students should run several trials and then take an average of the after mass in each trial. c) the students should have someone in the class check their measurement skills as they repeat the experiment. they may have made an error using the balance. d) the students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed. submit