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UNO [17]
2 years ago
10

The rate at which speed changes is called

Physics
2 answers:
sergiy2304 [10]2 years ago
7 0

Answer:

meters per second

Explanation:

dedylja [7]2 years ago
5 0
The rate at which velocity changes is called acceleration, which has the units m/s2. When something speeds up or slows down, it is accelerating....
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Energy conservation
balandron [24]

Answer:

7.328m/s

Explanation:

Given parameters:

height of table = 0.68m

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Unknown:

Initial velocity of ball = ?

Solution:

To solve this problem, we are going to employ the appropriate motion equation.

We must understand that this fall occurs in the presence of gravity;

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7 0
2 years ago
Help please!
JulsSmile [24]

3. The sum of the players' momenta is equal to the momentum of the players when they're stuck together:

(75 kg) (6 m/s) + (80 kg) (-4 m/s) = (75 kg + 80 kg) v

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450 kg•m/s - 320 kg•m/s = (155 kg) v

v = (130 kg•m/s) / (155 kg)

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4. The total momentum of the bowling balls prior to collision is conserved and is the same after their collision, so that

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where v is the new velocity of the 4-kg ball. Solve for v :

30.6 kg•m/s - 5.2 kg•m/s = 9 kg•m/s + (4 kg) v

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v = 4.1 m/s

7 0
2 years ago
Which explains the information needed to calculate speed and velocity?
goblinko [34]

The second statement is the correct choice.  Don't make me type it out.

8 0
3 years ago
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