In science, which of the following is not true about scientific theories a. they are generated by the testing of many hypotheses. b. by the time they get to be theories, they cannot be disproven. c. they are broad, general statements about natural phenomena. d. they represent the ideas about which scientists are most certain although they can still be falsified.
Answers: 1
Physics, 22.06.2019 07:00
Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
Answers: 1
Physics, 22.06.2019 10:30
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
Answers: 1
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
Physics, 22.06.2019 19:50
Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)
Answers: 1
In science, which of the following is not true about scientific theories a. they are generated by th...
Mathematics, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
Social Studies, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
English, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
Engineering, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
Social Studies, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00
English, 31.01.2022 14:00
Arts, 31.01.2022 14:00
Biology, 31.01.2022 14:00
Mathematics, 31.01.2022 14:00