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iVinArrow [24]
3 years ago
10

Two equal-mass balls swing down and hit identical bricks while traveling at identical speeds. Ball A bounces back, but ball B ju

st stops when it hits the brick. Which ball has a better chance of knocking the brick over
Physics
1 answer:
jekas [21]3 years ago
3 0

Answer:

The right answer is ball b

Explanation:

I hope it is helpful for you

because when ball b knocking bricks over than it will not able to come back

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Potential energy is the ability to:
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a truck was traveling at 16.6 miles per second and accelerates at a rate of 2.0 meters per second squared how much time is requi
Ivan

A truck was traveling at 16.6 miles per second and accelerates at a rate of 2.0 meters per second squared then time is required for the truck to reach a speed of 25 miles per second is 6759 s.

Explanation:

Velocity is defined as the rate of change in displacement while acceleration is defined as the rate of change of velocity. Acceleration may be positive or negative. Acceleration is positive when the velocity of the object is increases and it is negative when velocity of the object is decreases. Negative acceleration is also called deceleration.

Mathematically

a = \frac{(v_{f} - v_{i})}{t}

Where a is the acceleration of the object, v_{f} is the final velocity of the object and  v_{i} is the initial velocity of the object. t is equal to time taken.

Given data:

v_{f} = 25 miles/s

v_{i} = 16.6 miles/s

a = 2.0 m/s²

t = ?

As velocities and acceleration given in different units, So we need to convert to obtain same units. Here we convert unit of acceleration  from m/s² to miles/s².

1 m/s² = 0.000621371192 miles/s²

2 m/s² = 0.00124274238 miles/s²

So,

a = 0.00124274238 miles/s²

Apply formula

a =\frac{v_{f} - v_{i}}{t}

t = \frac{(v_{f} - v_{i})}{a}

t = \frac{(25 - 16.6)}{0.00124274238}

t = 6759 s

Learn more about velocity and acceleration from

brainly.com/question/1192983

#learnwithBrainly

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All of the following are shaped by learned behavior except __________. A. shyness B. blinking C. biting one’s nails D. angry res
Dvinal [7]
Blinking, that’s an involuntary behavior
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3 years ago
Read 2 more answers
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