Choose the answer choice that BEST completes the following sentence. About four million tons of __________________ are converted
1 answer:
Answer:
<em>About four million tons of </em><em><u>matter</u></em><em> are converted to energy in the Sun’s core every second</em>
Explanation:
<u>The Sun </u>
It's estimated that The Sun fuses near 600 million tons of hydrogen into helium every second. As a result, 4 million tons of matter are converted to energy every second according to Einstein's equation
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Answer: The average speed over the entire trip is 3.94 m/s
Explanation:
As we know :
Let the distance of straight line from point to point be = d
Total distance covered = 2d
Time taken to cover the forward journey =
Time taken to cover the backward journey =
Total time for the journey = Time taken to cover the forward journey + Time taken to cover the backward journey =
Average speed =
Thus average speed over the entire trip is 3.94 m/s
Answer:
time required to mow lawn is 1274.06 minutes
Explanation:
given data
average mow = 1400 square meters each hour
area = 320000 square feet
to find out
How many minutes will take to mow lawn
solution
we know that here 1 square feet is equal to 0.092903 square meter
so 320000 square feet will be = 0.09203 × 320000 = 29728.9728 square meter
so time required is express as
time required =
time required =
time required = 21.23 hours
so time required = 21.23 × 60 min = 1274.06
time required to mow lawn is 1274.06 minutes