Physics, 19.01.2021 14:00 tanakamkuzha
023 (part 1 of 2) 10.0 points
A merry-go-round rotates at the rate of
0.21 rev/s with an 99 kg man standing at
a point 2.8 m from the axis of rotation.
What is the new angular speed when the
man walks to a point 0 m from the center?
Consider the merry-go-round is a solid 53 kg
cylinder of radius of 2.8 m.
Answer in units of rad/s.
024 (part 2 of 2) 10.0 points
What is the change in kinetic energy due to
this movement?
Answer in units of J.
Answers: 3
Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 07:50
2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it
Answers: 1
Physics, 22.06.2019 09:00
Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
Answers: 1
Physics, 22.06.2019 10:00
Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
Answers: 1
023 (part 1 of 2) 10.0 points
A merry-go-round rotates at the rate of
0.21 rev/s with a...
0.21 rev/s with a...
Mathematics, 29.01.2021 17:20
Mathematics, 29.01.2021 17:20
Mathematics, 29.01.2021 17:20
Mathematics, 29.01.2021 17:20
Spanish, 29.01.2021 17:20
Physics, 29.01.2021 17:20
Mathematics, 29.01.2021 17:20
Mathematics, 29.01.2021 17:20
Chemistry, 29.01.2021 17:20
Social Studies, 29.01.2021 17:20