Answer: 3.
Explanation:
The correct answer is a higher amplitude and lower frequency. Since an opera singer is lowering his pitch it means that he is creating higher amplitude and because he is raising his voice for a song with that higher amplitude he is creating lower frequency.
Answer:
Acceleration
Explanation:
The advertisement is describing the acceleration of the car.
Acceleration is the rate of change of velocity per unit of time. It can be expressed mathematically as;
Acceleration = 
v is the final velocity
u is the initial velocity
t is the time taken
Any quantity that specifies the rate of change of velocity of a body within a given time frame is describing its acceleration.
Answer:
- maintain its state of motion
- Keep its velocity constant (either at zero or non-zero value)
Answer:
you have patience with me and I will call back tomorrow morning to discuss.
Explanation:
the train leaves and a couple hours of the speech and the other one in my future so I'll have to call them tomorrow to see if you can block them for me happy.
Just do energy spent divided by time to get your answer. With this we can say a human might be able to!
