Answer:
The velocity is 
Explanation:
From the question we are told that
The mass of the bullet is 
The initial speed of the bullet is 
The mass of the target is 
The initial velocity of target is 
The final velocity of the bullet is is 
Generally according to the law of momentum conservation we have that

=> 
=> 
Using the formula F = m*a. where F is the force, m is the mass and a is the acceleration you can use it for each. As long as there are no other forces towards the body in both cases :
F = m*a
F = 50*3
F = 150 N
The speed of the ball is 27.4 m/s
Explanation:
The speed of an object is given by:

where
d is the distance covered
t is the time taken
In this problem, we have:
d = 300 yards is the distance covered by the golf ball
t = 10 s is the time taken
Keeping in mind that
1 yard = 0.914 m
We can convert the distance from yards to meters:

And substituting into the equation, we find the speed of the ball:

Learn more about speed:
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A <span>Compound has a definte ratio of components</span>
Answer:
For the car to move with constant velocity the additional force required is 
Explanation:
From the question we are told that
The net force of the car is 
Generally the total force acting on the car is the net force plus the force due to gravity acting in direction of the car (Let denote it as
)
So the total force acting on the car is mathematically represented as

Here this F representing the total force can be mathematically represented as

Now for constant velocity to be attained, the acceleration of the car will be zero
So at constant velocity

=> 
So

=> 
=> 