Physics, 05.08.2019 01:00 CrystalMoreno
A0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.0 m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 64 n, what is the maximum speed the ball can have?
Answers: 1
Physics, 21.06.2019 17:00
After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction
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Physics, 22.06.2019 04:50
Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
Answers: 1
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
A0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.0 m on a...
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