The frequency at which the body vibrates breaks is natural frequency. The glass with her voice because the frequency of her voice matches the natural frequency of the glass.
<h3>What is the natural frequency?</h3>
When there is no external force acting on the body unless the body vibrates is known as the natural frequency of vibration.it is denoted by 
.
when the frequency of a body matches the natural frequency a condition occurs known as resonance.
To learn more about the natural frequency refer to the link;
brainly.com/question/1123932
Answer:
the acceleration required is 1.37m/s^2
Explanation:
The car is having a constant velocity movement, so if we calculate the time to reach 897m, we can use it to find the acceleration the policeman need to apply to reach the car.
the policeman is traveling with a constant acceleration starting from rest so:
The answer to this question is two violins, a viola and a cello
The string quartet is one of the earliest form of musical ensembles in history. This form of ensembles was brought to recognition by the Austrian composer Joseph Haydn<span>, with his works in the 1750s establishing the genre and this form is still considered one of the hardest ensembles because each player has to cover a lot of parts within a session.</span>
Reptiles, such as snakes and lizards, are cold-blooded animals. This means that they do not have the ability to control their body heat. For this reason, they often lay out in the sun to warm up. If their enviornent is cold they obtain that body temperature. They are very slow in colder environments.In cold weather these animals have a very difficult time moving because their muscles are very cold. Without heat in their environment, they cannot warm them up.
Answer: Altostratus clouds they are gray or blue gray mid level clouds.
Explanation:
