Physics, 03.07.2019 00:30 emelylug033
Aboy throws a ball straight up in the air with an initial velocity of v+3 mls . the ball reaches a maximum height and starts towards earth. the boy catches the ball at the same height that it left his hand. how long is the ball in the air? 6. a.) =1.01 s b.) t-0.61s c.) 1-2.32s d.) t=1.23h e.) none of the above.
Answers: 3
Physics, 21.06.2019 17:20
The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?
Answers: 1
Physics, 22.06.2019 09:30
Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
Physics, 22.06.2019 10:30
Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.
Answers: 3
Physics, 22.06.2019 17:00
Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
Answers: 2
Aboy throws a ball straight up in the air with an initial velocity of v+3 mls . the ball reaches a m...
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