Answer:
1.28second
Explanation:
The speed of light is constant everywhere, it is
299,792,458m/s=299,792.458km/s
Therefore it takes
Answer:
Well the reason that elephants have big ears in the first place is to cool off. They flap their ears and use them as fans.
Answer:
a. The Earth orbits the sun
Explanation:
Anchorage is the largest city in the United state of Alaska.
The major reason why we have seasons anywhere on the earth is the orbiting of the sun around the earth. Since the orbit of the earth is elliptical around the sun so it sometimes comes near the sun and sometimes far away from the sun due to which the average temperature of the earth keep varying during the entire year in phases of the distance from the sun.
When the earth is closer to the sun then the average temperature of the earth is relatively warmer than the average temperature when the earth is farther from the sun.
Tilt of the earth's axis also complements this phenomenon of season change but without the revolution of the earth around the sun in its elliptical orbit that could not be possible.
Answer:
1) dynamometer, 2) balance, 3) measuring tape, 4) balance
, 5) measuring tape and 6) stopwatch
Explanation:
The quantities that should be measured experimentally for the determination of the quantity are:
1) Centripetal acceleration. The force should be measured, for this a dynamometer is placed in the center of turning radius
2) The masses. To measure this magnitude a balance will be used
3) Circular path radius. A measuring tape that measures from the center
4) Hanging mass. In this case the dynamometer is also used and the value is divided by the acceleration of gravity or if you can remove the mass use a balance
5) The constant of a spring. A measuring tape is used to measure the distance for hanging masses
6) The orbital order. For this magnitude, use a stopwatch for time measurement
