A reference frame can be moving. To make sure that newtons laws still apply, the reference frame must not be accelerating.
Ans is <span>I. Flowing groundwater that dissolves rock , such as limestone</span>
The kinetic energy of toast is 0.06 J.
<u>Explanation:</u>
Kinetic energy is the way to determine the energy released when an object is in motion. In other times, it can be the energy required to move any object and to make it in motion.
As the mass of the toast is given as 8 g and speed is given as 15 m/s, if we ignore the friction caused by air molecules. Then the kinetic energy is the product of mass and square of velocity.
K.E. =
× mass × v²
Kinetic energy =
Since, the weight is given in grams , it needed to be converted into kg.
Kinetic energy = 0.06 J
Thus, the kinetic energy of toast is 0.06 J.
If the measurement is in joules then you can push something or pull something as long as you are moving the object. Formula: f*n force times newtons