Physics, 24.07.2019 01:30 watervliet2586
The position of a 45 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. determine the velocity at t=0.40s. express your answer in meters per second to two significant figures.
Answers: 1
Physics, 22.06.2019 09:00
What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.
Answers: 2
Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 11:20
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
Physics, 22.06.2019 12:30
Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.
Answers: 1
The position of a 45 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. det...
English, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
English, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
Physics, 03.11.2020 14:00
Mathematics, 03.11.2020 14:00
English, 03.11.2020 14:00
Physics, 03.11.2020 14:00
Social Studies, 03.11.2020 14:00