Example: Increasing the tension in A string causes the speed of waves on the string to increase. Since the wavelengths of the standing waves remains constant, this results in a larger frequency of oscillations in the string, which we percieve as a higher pitch when the string vibrates the air.
Explanation:
here we have mass(m);20 000N in kg will be 9.8kg
acceleration due to gravity (g): 10m/s
height (h) : 10m
so work done will be,
W=mgh
9.8x10x10
980joules
Weight is a measure of the force of gravity acting on an object. According to Newton's laws of motion, force is directly proportional to both mass and acceleration, and the equation for force is F = m * a, where m = mass and a = acceleration.
Answer:
Explanation:
Here's how to stimulate your baby's senses in age-appropriate ways:
Decorate the nursery with colorful, bold patterns. ...
Play hand games. ...
Use "baby talk." Studies have shown that the sing-song, fluctuating tones mothers use to talk to their babies are important for language development. ...
Hold your baby as much as possible.
