![subject](/tpl/images/cats/fizika.png)
Physics, 08.04.2020 04:30 McGregorshamara
If a star's radial velocity is -50 km/s, the frequency of its light would appear to be (higher or lower) than its true frequency. We usually say that the star's wavelength is (blue or red) shifted.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:00
Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:50
If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 19:00
Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m
Answers: 2
You know the right answer?
If a star's radial velocity is -50 km/s, the frequency of its light would appear to be (higher or l...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)