The answer is 145 because 100 mph is equal to 25th so 145
To solve this problem we will apply the linear motion kinematic equations. With the data provided we will calculate the time of the first object to fall. Later we will get the time difference between the two. This difference will allow us to find the free fall distance. Through the distance we will find the initial velocity, that is,



The second object is thrown downward at one second later and it meets the first object at the water is


The distance of the object will travel due to free fall acceleration is



The distance of the object will travel due to its initial velocity is




Therefore the initial speed of the second object is 21.06m/s
Answer:
The answer to your question is: Ke = 3000 Joules
Explanation:
Data
mass = 15 kg
speed = 20 m/s
Kinetic energy = ?
Equation


Ke = 3000 Joules
Answer:
1/5 or .2
Explanation:
you put miles over seconds 3/15 then simplify to 1/5 to get miles per second