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guajiro [1.7K]
2 years ago
6

Define Impulse And MomentumPlsss Answer Now I Need Now​

Physics
1 answer:
andrew-mc [135]2 years ago
8 0

Answer:

Impulse-The effect of force acting over time to change the momentum of an object.

momentum-The product of mass of a particle and its velocity.

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A 25 kg block is held against a compressed spring and then the spring is allowed to decompress giving the block a velocity. The
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Answer:

h=18.05 cm

Explanation:

Given that

m= 25 kg

K= 1300 N/m

x=26.4 cm

θ= 19.5 ∘

When the block just leave the spring then the speed of block = v m/s

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\dfrac{1}{2}Kx^2=\dfrac{1}{2}mv^2

Kx^2=mv^2

v=\sqrt{\dfrac{kx^2}{m}}

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v=\sqrt{\dfrac{kx^2}{m}}

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When block reach at the maximum height(h) position then the final speed of the block will be zero.

We know that

V_f^2=V_i^2-2gh

By putting the values

0^2=1.9^2-2\times 10\times h

h=0.1805 m

h=18.05 cm

4 0
3 years ago
At which temperature will water boil when the external pressure is 17.5 torr
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The work energy principle states that the change in kinetic energy of an object is equal to the net work done on the object. If
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Answer:

v=\sqrt{2gh}\ m/s

Explanation:

From work energy theorem

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Lets take

m= mass of object

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Work done by gravitational force = m g . h

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So

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v² = 2 g h

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A cricketer throws a ball sideways with an initial velocity of 30 m/s. She releases the ball from a height of 1.3m. Calculate ho
ioda

Answer:

78.34

Explanation:

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