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tina
Questions (4)
A converging lens with a focal length of 20 cm is used to create an image of the sun on a paper screen. How far from the lens
0 answers
686 views
Why does the calculated values of enthalpy change different from the reference values? Suggest two reasons.
1 answer
3,685 views
a-28-g rifle bullet traveling 230m/s buries itself in a 3.6-kg pendulum hanging on a 2.8-m-long string, which makes the pendulum
1 answer
2,188 views
in a ballistic pendulum experiment, projectile 1 result in a maximum heigh h of the pendulum equal to 2.6 cm. a second
1 answer
2,376 views
