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a copper calorimeter of 100g mass containing 200g of water was used. The thermometer contained 0.8 centimeter cube of mercury
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2. 1,122 views
a 500gm mass is attached to a string 50cm long to make a pendulum. if the pendulum mass is pulled to the right, such that the
1. 1 answer
2. 1,507 views
potential energy is energy that a body possess by virtue of its position, while kinetic energy is energy that a body possess by
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2. 543 views
A WEATHER BALLOON IS TO OPERATE WHERE THE DENSITY OF AIR IS 0.9Kg/m3. THE BALLOON HAS A VOLUME OF 20cm3 AND IS FILLED WITH
1. 1 answer
2. 558 views

for a, b, and c, the only forces are the normal force and W which are equal soo there's no unbalanced force am i right
ur all wrong
i think its 1atm as well

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