Answer:
209.66 m
Explanation:
Given:
Original length of the spaceship, L = 481 m
Speed of the spaceship, v = 2.70 × 10⁸ m/s
Now,
using the concept of length contraction, we have
where,
L' is the observed length
c is the speed of the light
Thus,
on substituting the respective values, we get
or
L' = 209.66 m
The answer is the national border
Answer:
The angular speed of the record is 3.36 rad/s.
Explanation:
Given that,
Mass of record= 0.10 kg
Radius = 0.10 m
Angular speed = 4.7 rad/s
Moment of inertia 
Mass of putty = 0.020 kg
We need to calculate the angular speed
Using law of conservation of momentum
Put the value into the formula
Hence, The angular speed of the record is 3.36 rad/s.
The hydrometer displays the density of the liquid you stick it in, COMPARED TO WATER.
If you stick it in pure water, it should read 1.00 . This is a good way to check your hydrometer and see whether it's reading correctly ("calibrated").
Answer:
Not permitted
Explanation:
It's totally unacceptable to bring both of the bare equipment grounding conductor directly with the grounding terminal of a receptacle because of grounding connection removal and receptacle.
When circuit conductors are terminated on equipment within a metal box, the equipment grounding conductor associated with those circuits must be connected to box to avoid unnecessary discharge of current.
