Physics, 23.10.2019 02:00 ticklepink05
A0.537-kg basketball is dropped out of a window that is 5.88 m above the ground. the ball is caught by a person whose hands are 1.98 m above the ground. (a) how much work is done on the ball by its weight? what is the gravitational potential energy of the basketball, relative to the ground, when it is (b) released and (c) caught? (d) what is the change (pef - pe0) in the ball's gravitational potential energy?
Answers: 3
Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
Answers: 3
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Physics, 22.06.2019 18:00
Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point
Answers: 1
A0.537-kg basketball is dropped out of a window that is 5.88 m above the ground. the ball is caught...
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