The average speed is determined by the following formula:
average speed = [sum of (speed * time for which that speed was traveled)] / total time
average speed = [(83 * 26 + 41 * 52 + 60 * 45 + 0 * 15) / 60] / [(26 + 52 + 45 + 15) / 60]
*note: The division by 60 is to convert minutes to hours. We see that the 60 cancels from the top and bottom of the division
average speed = 50.65 km/hr
The total distance traveled is equivalent to the numerator of the fraction we used in the first part. This is:
Distance = (83 * 26 + 41 * 52 + 60 * 45 + 0 * 15) / 60
Distance = 116.5 kilometers
Her <span>acceleration is 8.75 hope is helps</span>
Answer:
Transverse wave
Explanation:
The wave is moving forwards from the hand to the point of attachment
Odd though it seems at first, gravity is pulling the cat down while the floor is pushing the cat up - in equal amounts. Forces are absolutely acting on the cat but they balance - so there is no net force.
Answer:
The magnitude of the magnetic field is 
Explanation:
From the question we are told that
The mass of the rod is 
The distance of separation is 
The current is 
The coefficient of friction is 
Generally for the rod the rod to continue moving at a constant speed
The frictional force must equal to the magnetic field force so
Where 
and 
=> 
substituting values
