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irina1246 [14]
3 years ago
15

Lightning results from ________.

Physics
1 answer:
just olya [345]3 years ago
8 0
An imbalance between electrical charges
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The force shown in the force vs. time diagram in Figure P6.15 acts on a 1.5-kg object. Find (a) the impulse of the force, (b) th
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(a) The impulse of the force is 8 N.s

(b) The final velocity of the object if it is initially at 5.33 m/s

(c) The final velocity of the object if it is initially moving along the x - axis with velocity of 22.0 m/s is 3.33 m/s

<h3>What is impulse?</h3>

The change in momentum is equal to the product of impact force applied while colliding and time for that impact.

Impulse = F. Δt  = m (Vf -Vi)

where, Vf is the final velocity and Vi is the initial velocity.

Given, the force shown in the force vs. time diagram acts on a 1.5-kg object.

(a) Impulse is given by

Impulse = F. Δt

Put the values, we get

Impulse = 2x3 + 1/2 x2x2

Impulse = 6+2 = 8N.s

Thus, the impulse from the graph is 8 N.s

(b)

Impulse= F. Δt  = m (Vf -Vi)

Substitute the values into the expression, we get

8 = 1.5 x (Vf  - 0)

Vf  = 5.33 m/s

Thus, the final velocity of the object if it is initially at 5.33 m/s

(c)

Impulse= F. Δt  = m (Vf -Vi)

Substitute the values into the expression, we get

8 = 1.5 x (Vf  +2)

Vf  = 3.33 m/s

Thus the final velocity of the object if it is initially moving along the x - axis with velocity of 22.0 m/s is 3.33 m/s.

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How long will it take you to pass a truck at 60 mph with oncoming traffic?
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The imidazole side chain of histidine has a pka of 6.04. illustrate the predominant structures for histidine at (i) ph 4, (ii) p
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The histidine imidazole side chain has a pka of 6.04. To illustrate the predominant structures for histidine at (i) ph 4, (ii) ph 8, and (iii) ph 12, we have the pictures attached below. The first one indicates structure at ph 4, second one indicates ph 8 and third indicates ph 12.

<h3>What is stereochemistry? </h3>

The study of stereochemistry is focused on stereoisomers, which by definition have the same molecular formula and sequence of bonded atoms (constitution) but differ in the three-dimensional orientations of their atoms in space.

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