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Question: A block of mass 5kg is at rest on a smooth horizontal surface.wter coming out of pipe horizontally at the rate 2 kg s, hits the block with a velocity of 6 ms.the initial acceleration of the block is?
Ans:
Given,
m = 5 kg
rate of water (dm/dt) = 2 kg/sec
We know that,
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Yogita Ingle 6 years, 2 months ago
The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m-2 or kg m-1s-2).
The CGS unit of pressure is barye (Ba), equal to 1 dyn·cm−2, or 0.1 Pa.
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Heterochromatin is defined as the area of the chromosome which is darkly stained with a DNA specific stain and is in comparatively condensed form.
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Yogita Ingle 6 years, 3 months ago
Abscisic acid is called stress hormones as it induces various responses in plants against stress conditions.
It increases the tolerance of plants toward various stresses. It induces the closure of the stomata during water stress. It promotes seed dormancy and ensures seed germination during favourable conditions. It helps seeds withstand desiccation. It also helps in inducing dormancy in plants at the end of the growing season and promotes abscission of leaves, fruits, and flowers.
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Shaik Sadiya 6 years, 2 months ago
1Thank You