Answer:
The velocity of astronaut will be 0.105 m/s in opposite direction of the tool.
Explanation:
Given that,
Mass of the Astronaut, m = 68.5 kg
Mass of the the tool, m' = 2.25 kg
Speed of tool, v' = -3.2 m/s (direction is sway from space station)
It is required to find the speed of the astronaut. The momentum will remain conserved. So,
v is the speed if Astronaut
So, the velocity of astronaut will be 0.105 m/s in opposite direction of the tool.
Answer:
Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.
Example: Radio waves, microwaves, visible light, and x rays
Acceleration = force / mass.
A = 100/50 = 2 m/s^2 .
Answer:
0.0016 T
Explanation:
Parameters given:
Diameter of wire = 5 mm = 0.005 m
Radius of wire, R = 0.0025 m
Number of turns, N = 200
Current through the wire, I = 0.10A
The magnitude of the magnetic field is given as:
B = (u₀NI) / (2πR)
Where u = magnetic permeability of free space.
B = (1.257 * 10⁻⁶ * 200 * 0.1) / (2 * π * 0.0025)
B = 0.0016 T
The magnitude of the Magnetic field is 0.0016 T.
Answer: Taking into account sound is a wave, we can use the information of the displacement (generally given as a graph) to find the wavelength and frequency, then we can calculate the speed with the formula of the speed of a wave.
Explanation:
If we have the displacement graph of the sound wave, we can find its amplitude, its wavelength and period (which is the inverse of frequency).
Now, if we additionally have the frequency as data, we can use the equation of the speed of a wave:
Where:
is the speed of the sound wave
is the wavelength
is the frequency