A woman makes 50% more than her husband. Together they make $2500 each month? How much does the woman earn each month?a) $950b)
1 answer:
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Good morning.
Lets make the movement function for the dog and cat.
The cat has a start position of1.5 m(the middle of the room), with an initial speed of 0 and acceleration of 0.85 m/s².
The dog has a start position of 0, an initial speed of 1.5 m/s and acceleration of -0.1 m/s².
<u>Cat:</u>
<u>Dog:</u>
Let's see if the dog reach the cat. Physically, it means
Now we solve for <em>t</em>:
We have a negative Delta. Therefore, there is no instant t when the dog reaches the cat.
Lets make the movement function for the dog and cat.
The cat has a start position of1.5 m(the middle of the room), with an initial speed of 0 and acceleration of 0.85 m/s².
The dog has a start position of 0, an initial speed of 1.5 m/s and acceleration of -0.1 m/s².
<u>Cat:</u>
<u>Dog:</u>
Let's see if the dog reach the cat. Physically, it means
Now we solve for <em>t</em>:
We have a negative Delta. Therefore, there is no instant t when the dog reaches the cat.
Answer:
The correct option is (B).
Explanation:
The Kepler's third law of motion gives the relationship between the orbital time period and the distance from the semi major axis such that,
It is mentioned that, an asteroid with an orbital period of 8 years. So,
So, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to 4 astronomical units.
Answer:
1.10261 times g
416.17506 mph
Explanation:
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
a = Acceleration
g = Acceleration due to gravity = 9.81 m/s²
Dividing by g
The acceleration is 1.10261 times g
In mph
The speed of the dragster is 416.17506 mph