Answer:
Einstein had realized in 1905, that space and time, are intimately connected with each other. ... Thus one can think of space and time together, as a four-dimensional entity, called space-time. Each point of space-time is labeled by four numbers, that specify its position in space, and in time.
Explanation:
Answer:
Velocity of sound is 512 m/s
Explanation:
for first resonance condition we know that
now the frequency is given as
now to find the velocity of sound we have
When a person jumps from a tree to ground, what happens to the momentum of the person upon striking the ground is that it is transferred to earth. The momentum is not lost, it is conserved by being transferred to the ground. But it can also be lost to the impulse.
