Can someone help me with these questions?
1. used the Sun to measure Earth’s size
2. p...
Physics, 19.02.2022 16:20 edgytaehyung
Can someone help me with these questions?
1. used the Sun to measure Earth’s size
2. proposed model of the solar system with Earth revolving around Sun
3. discovered that planets moved in ellipses
4. discovered four moons of Jupiter
5. made predictions about comets
6. discovered that the universe is expanding
7. came up with the most accepted theory about how the Earth’s and Moon’s tilts were formed
8. educated the general public on the universe
9. proposed that laws of physics applied throughout the universe
A) Einstein
B) Hartmann
C)Hawking
D)Copernicus
E)Kepler
F)Hubble
G)Eratosthenes
H)Halley
I)Galilei
Answers: 1
Physics, 21.06.2019 13:30
What if? physicists often measure the momentum of subatomic particles moving near the speed of light in units of mev/c, where c is the speed of light, and 1 mev = 1.6 ✕ 10−13 kg · m2/s2. based on this, what are the units of momentum for a high-speed subatomic particle in terms of fundamental si units?
Answers: 1
Physics, 21.06.2019 16:30
The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.21 μs. in a certain experiment, muons moving through a laboratory are measured to have an average lifetime of 7.04 μs. for the moving muons, what are (a) β (b) k, and (c) p? the rest energy of the electron is 0.511 mev.
Answers: 2
Physics, 22.06.2019 02:00
Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion
Answers: 3
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain
Answers: 2
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