Blessy predicts that it would take 55 seconds for 6 sugar cubes to dissolve. She checks her prediction by doing the experiment with 6 sugar cubes three times. Here are her results. Experiment with 6 sugar cubes time to dissolve in seconds 1 55 2 46 3 48 Do these results support Blessy's prediction? Explain your answer. [1](d) It was a good idea for Blessy to check her prediction using three experiments rather than just one. Explain why.

1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts

Aphysical change is a change in the size, shape,, or stafe of matter true or false

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!