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christoper allen
Questions and answers by visitors named
christoper allen
Questions (4)
A ball is thrown vertically up from the edge of a 150 m building with a veloicty of 10m/s. (A) how high did the ball rise? (b)
5 answers
719 views
A speeder doing 50.0 mi/hr (about 22 m/s) in a 25 mi/hr zone approaches a parked police car. The instant the speeder passes the
5 answers
937 views
120 grams of an unknown metal at a temperature of 95 degrees celcuius is poured into 140 grams of aluminum calorimeter
1 answer
686 views
a force of 200 N is exerted at an angle 30 degrees with respect to the horizontal on an object whose mass is 30kg. the
4 answers
1,879 views
Answers (4)
i cant seem to get this question though . 120 grams of an unknown metal at a temperature of 95 degrees celcuius is poured into 140 grams of aluminum calorimeter containing 220 grams of water. If the inital temperature of the water and calorimeter was 15
I figured it out. i juss had to find the T to help me solve the other parts
I don't have to add Tfall with the part b beacuse starting point is 150 and not in the air
Thank you very much
