A car traveled at an average speed of 35 mph for 5 hours. How far did it travel?
2 answers:
Answer:
Distance, d = 175 miles
Explanation:
It is given that,
Average speed of the car, v = 35 mph
Time taken, t = 5 h
To find,
Distance covered by the car.
Solution,
The product of velocity and time is called the distance covered by it. Its expression is given by :
d = 175 miles
So, the distance covered by the car is 175 miles. Hence, this is the required solution.
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Answers:
a) -171.402 m/s
b) 17.49 s
c) 1700.99 m
Explanation:
We can solve this problem with the following equations:
(1)
(2)
(3)
Where:
is the bomb's final height
is the bomb's initial height
is the bomb's initial vertical velocity, since the airplane was moving horizontally
is the time
is the acceleration due gravity
is the bomb's range
is the bomb's initial horizontal velocity
is the bomb's final velocity
Knowing this, let's begin with the answers:
<h3>b) Time </h3>With the conditions given above, equation (1) is now written as:
(4)
Isolating :
(5)
(6)
(7)
<h3>a) Final velocity </h3>
Since , equation (3) is written as:
(8)
(9)
(10) The negative sign only indicates the direction is downwards
<h3>c) Range </h3>
Substituting (7) in (2):
(11)
(12)
Answer: Yes.
Explanation:
There is gravity in water because How does the water go up in the cycle? the garavity with the wind pull it up.
