Answer:
it reheated and use form another
Wavelength = Wavespeed / frequency
Wavelength = (2.94 m/s) / (7 / s)
Wavelength = (2.94 / 7) m
<em>Wavelength = 0.42 meter</em>
Answer:
A system that includes the stone and the earth.
Explanation:
If the system of being dropped from the height of the cliff consists of just the stone alone, then it means that its momentum will certainly undergo changes as it falls freely. However, If the system is now expanded to include not only the stone but also the Earth, then it implies that the momentum of the stone which is in the downward direction will be equal and opposite to the momentum of the Earth in the upwards direction towards the stone. Therefore, the momentum will cancel out and net momentum will be zero.
Vector A is of magnitude 12 m and it makes an angle of 37 degree with Y axis
So here we can say that
Similarly we have
So here we have
option A is correct
A. Cardio activities increase your physical strength, while strength-training activities work your heart and lungs.