A projectile is projected with initial velocity of 30 m/s 3 at an angle 8 = tan -1 After 1 second, direction of motion of the particle makes an angle a with horizontal, then angle a is given as (g = 10 m s-2)​

3 minutes 35 seconds is equals to 145 seconds.

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Given - 1 min = 60 sec

Find - Seconds in 3 min 35 sec

Solution - 3 minutes and 35 seconds is equal to 215 seconds.

Firstly we will find 3 minutes is equivalent to how many seconds. The answer will be added to 35 seconds, to find the total seconds of 3 minutes and 35 seconds.

So, as per the question, 1 minutes = 60 seconds

Hence, 3 minutes = 60*3/1

3 minutes = 180 seconds.

Now finding total seconds of 3 minutes and 35 seconds -

Total seconds = 180 + 35

Total seconds = 215 seconds.

Thus, 3 minutes and 35 seconds is equal to 215 seconds.

Explanation:

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Answer:

At 127° with river flow

Hope this will help you...

The speed of the swimmer is (u) = 0.6 m/s

The width of the river = 50 m

The speed of the water current is (v) = 0.36 m/s

She wants to reach on the other bank at a point directly opposite from her starting point, so the drift is = 0 m

Suppose she has to swim at an angle of θ with the river flow.

Now, u Cosθ = - v

⇒ Cosθ = - v/u

⇒ Cosθ = - 0.36/0.6

⇒ Cosθ = - 3/5

⇒ Cosθ = 127°

So, the direction in which she must swim is at 127° with river flow.

Answer:

1 : to deprive of strength, vigor, or spirit : weaken. 2 : to deprive of virility or procreative power : castrate. 3 : to remove the androecium of (a flower) in the process of artificial cross-pollination.

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Emasculation refers to the process of removing the anthers from a flower. It's done before dehiscence to keep undesirable pollen out of the stigma and to ensure cross-pollination by preferred pollens.

• In artificial hybridization, emasculation is used to exclusively fertilise stigma with emasculated pollens.
• In artificial hybridisation programmes, emasculation is a technique that is used.
• Emasculation is the process of removing anthers from a flower bud with forceps before it dehisces.
• To avoid self-pollination, plant breeders use this strategy. This is useful in artificial hybridization when specific pollen is required.