Trees can be a renewable source , we use them to breath , we make paper out of them , we make houses and etc.
i hope this helps
Answer:
The value is
Explanation:
From the question we are told that
The value of the external force is
The magnitude of the astronaut's acceleration is
Generally Newton's Second Law of Motion from the mass of the astronauts is mathematically represented as
=>
=>
Answer:
2 seconds
Explanation:
f = Frequency of yell = 919 Hz
= Shifted frequency = 55.9 Hz
v = Speed of sound in air = 342 m/s
= Velocity of friend
a = Acceleration due to gravity = 9.81 m/s²
From the Doppler shift formula we have
The velocity of the my friend is 19.61 m/s
The time my friend is in the air is 2 seconds
Answer:
The bigger the object, the more heat that can be transferred. Ex: An iceberg would transmit more heat than a kettle
Explanation: