3 years ago

Main function of gametes?

Physics

1 answer:

vichka [17]3 years ago

3 0

Sexual reproduction. thats the answer i think

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Along the frictionless path you have chosen, the main force(s) acting on the puck after receiving the kick is (are):

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Gravity, and Normal. Check the comments for why Applied isn't one.

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#86 can an object be moving when its acceleration is zero? can an object be accelerating when its speed is zero?

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3 years ago

A crate rests on a flatbed truck which is initially traveling at 17.9 m/s on a level road. The driver applies the brakes and the

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Answer:

The minimum coefficient of friction required is 0.35.

Explanation:

The minimum coefficient of friction required to keep the crate from sliding can be found as follows:

$-F_{f} + F = 0$

$-F_{f} + ma = 0$

$\mu mg = ma$

$\mu = \frac{a}{g}$

Where:

μ: is the coefficient of friction

m: is the mass of the crate

g: is the gravity

a: is the acceleration of the truck

The acceleration of the truck can be found by using the following equation:

$v_{f}^{2} = v_{0}^{2} + 2ad$

$a = \frac{v_{f}^{2} - v_{0}^{2}}{2d}$

Where:

d: is the distance traveled = 46.1 m

$v_{f}$ : is the final speed of the truck = 0 (it stops)

$v_{0}$ : is the initial speed of the truck = 17.9 m/s

$a = \frac{-(17.9 m/s)^{2}}{2*46.1 m} = -3.48 m/s^{2}$

If we take the reference system on the crate, the force will be positive since the crate will feel the movement in the positive direction.

$\mu = \frac{a}{g}$

$\mu = \frac{3.48 m/s^{2}}{9.81 m/s^{2}}$

$\mu = 0.35$

Therefore, the minimum coefficient of friction required is 0.35.

I hope it helps you!

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3 years ago

One end of spring is attached to a wall. The other end is attached to a movable block. If you pull the block so as to stretch th

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Answer: Positive

Explanation:

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Answer:

All i kno is that that kid ain't gonna be ok

Explanation:

if u tell me how to do it ill do it

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