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christoper allen

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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
1. 1 answer
2. 1,948 views
120 grams of an unknown metal at a temperature of 95 degrees celcuius is poured into 140 grams of aluminum calorimeter
1. 0 answers
2. 732 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
1. 4 answers
2. 1,008 views
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)
1. 4 answers
2. 767 views

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

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