B because it is the only evidence that displays an effect from the field without contact
Answer:
Not including a sedimentary cover of variable thickness and composition, the oceanic crust consists of three layers: (1) a relatively thin uppermost volcanic layer of basaltic lavas known as mid-ocean ridge basalts (MORB) erupted on the seafloor; (2) a thicker layer of more coarsely crystalline, intrusive basaltic
Answer:
A
Explanation:
Solution:-
- According to the law of relativity the relative speed between two moving objects is inversely proportional to the the time taken.
- Ignoring Doppler Effect.
- So if the relative speeds of two objects in motion i.e ( swing and spaceship) are positive then the time frame of reference for both object relative to other other decreases. So in other words if spaceship approaches the swing i.e relative velocity is positive then the time period of oscillation observed would be less than actual i.e less than 4 seconds.
- Similarly, if spaceship moves away from the swing i.e relative velocity is negative then the time period of oscillation observed would be more than actual i.e more than 4 seconds.
Answer:
Technician B is correct
Explanation:
It's very important to back the valve out after the last pass is complete to avoid any form of breakage. This is a precautionary measure.
Answer:
a) distance = 15340 km
b) time = 3437 seconds
c) velocity = 2.16 km/h
Explanation:
a) If the plane's speed is 295 km/m and it takes 52 minutes to get to its destination, then we can calculate the distance travelled via the distance formula:
Distance = v * t
and since the time units are both the same in the quantities to multiply (km/minute and minutes travelled), then they cancel out and the distance results in Km:
Distance = 295 * 52 = 15340 km
b) For this problem we need to convert Hm (hectometers) into meters in order to be able to simplify the units appropriately when using the distance formula.
recall that 1 Hm - 100 meters, then 3265 Hm = 326500 m
Distance = v * t
326500 = 95 * t
solving for "t":
t = 326500 / 95
t = 3437 seconds
c) In this problem, we need to convert the distance from m to km, and the time from min into hours in order to give the answer in the requested units. We also use the distance formula we have been using so far,
936 m = 0.936 km
26 min = 26/60 h
Then the magnitude of the velocity becomes:
v = Distance / time = 0.936 / (26/60) ≈ 2.16 km/h
