Answer:
250 m
Explanation:
Given :
Initial velocity, u = 0
Acceleration, a = 5 m/s2
Time elapsed is t = 10 seconds
The distance traveled in 10 seconds by the particle when accelerating at 5 m/s2 is given by,
Putting the values,
x = 250 m
The particle moved 250 m in 10 seconds
Answer:
The force required is equal to .
Explanation:
We know that
Torque = force × perpendicular distance
= F × R = I×
I = M×
From above equation .............. 1
We know that
...........................2
Given that t= 2 sec
From equation 1 and 2 , we get
F = =
Upon substituting the above values we will be getting
F =
Answer:
They can travel in a vacuum.
Explanation:
» Only electromagnetic waves travel through vacuum. The other mechanical waves require a material medium to travel.
Answer:
After sufficient thickness of ice is formed it prevents further loss of heat from the bottom layers of water. This is why fishes and other aquatic animals and plants can survive in ponds and other water bodies even when the atmospheric temperature reaches or is well below 0 degrees.The anomalous expansion of water helps preserve aquatic life during very cold weather. When temperature falls, the top layer of water in a pond contracts becomes denser and sinks to the bottom. ... Thus, even though the upper layer are frozen, the water near the bottom is at 4°C and the fishes can survive in it easily.