Physics, 03.01.2021 14:10 kmafromhannah2905
A slingshot is used to shoot a small ball upward into the air; when the pouch is released, the sling propels the ball upward. assuming no air resistance, as the ball is propelled upward, what kind of energy transformation is taking place
kinetic to gravitational potential
gravitational potential to kinetic
gravitational potential to chemical
chemical to kinetic
Answers: 3
Physics, 21.06.2019 18:00
Amanometer is used to measure the air pressure in a tank. the fluid used has a specific gravity of 1.25, and the differential height between the two arms of the manometer is 34 in. if the local atmospheric pressure is 12.7 psia, determine the absolute pressure in the tank for the cases of the
Answers: 3
Physics, 22.06.2019 00:10
The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?
Answers: 3
A slingshot is used to shoot a small ball upward into the air; when the pouch is released, the sling...
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