Answer: 38 meters per second
Step-by-step explanation:
Answer:
The earth will revolve 15° and 0.0833 radian in 1 hour
Step-by-step explanation:
We know that earth revolve one round on its axis 24 hour
We know that 1 round = 360°
So earth will revolve 360° in 24 hour
So earth will revolve
in 1 hour
Now we have to find the revolution in radian
So 
Answer:
45
Step-by-step explanation:
The order in which the items are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

How many possible subsets of 2 items can be chosen from this lot?
Combinations of 2 from a set of 10. So

Answer:
IDK
Step-by-step explanation: