Acceleration of the ball is
Explanation:
The acceleration of the ball can be found by using Newton's second law of motion, which states that the net force acting on an object is equal to the product between the mass of the object and its acceleration:
where
F is the net force
m is the mass
a is the acceleration
For the ball in this problem, we have
m = 0.50 kg (mass)
F = 25 N (force)
thereofre, the acceleration of the ball is
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Answer:
energy is transformed when your rubbing your hands together because of the mechanical energy of your hands moving together creates both sound energy and heat energy from the friction and chemical energy is created when the atoms and molecules in your hands interact
Explanation:
Answer:
The value is
Explanation:
From the question we are told that
The number of bright fringes is n = 402
The displacement of the mirror is
Generally the number of fringes is mathematically represented as
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Answer:
The best single equation in order to fin the acceleration is
Explanation:
The best single equation in order to find the acceleration is the following kinematics equation:
As the rocket start from the rest, the initial velocity value is zero. Then the acceleration value is:
The kinetic energy is .
Explanation:
The kinetic energy of an object is given by
where
K is the kinetic energy of the object
m is the mass of the object
v is the speed of the object
For the comet in this problem, we have:
is its mass
is the speed
First, we convert the speed from km/h to m/s:
Therefore, the kinetic energy of the comet is
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