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Paladinen [302]
3 years ago
10

A pitcher accelerates a softball with a force of 12N at 6m/s^2. What is the mass of the softball?

Physics
2 answers:
Gekata [30.6K]3 years ago
7 0

Answer:

2kg

Explanation:

According to newton's second law of motion, force is equal to the product of mass of an object to its acceleration.

Force = mass × acceleration

Given a force of 12N

Acceleration = 6m/s²

Mass = Force/acceleration

Substituting the given values in the formula above, we will have;

Mass = 12/6

Mass of the softball = 2kg

DanielleElmas [232]3 years ago
3 0

Answer:

The question to your answer is: mass = 12 kg

Explanation:

Data

Force = 12 N

acceleration = 6 m/s²

mass = ?

Formula

Force = mass x acceleration  (Newton's second law of motion)

mass = Force / acceleration

Substitution

mass = 12 N / 6 m/s²

mass = 12 kg result

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3 years ago
The magnetic field 0.02 m from a wire is 0.1 t. what is the magnitude of the magnetic field 0.01 m from the same wire?
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A 1560-kilogram truck moving with a speed of 28.0 m/s runs into the rear end of a 1070-kilogram stationary car. If the collision
Nimfa-mama [501]

Answer:

Δ KE =  249158.6 kJ  

Explanation:

given data

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initial speed of car u1 = 0 m/s

solution

first we get here final speed by using conservation of momentum  that is express as

Mu = (M+m) V     .......................1

put here  value we get

1560 × 28 = (1560 + 1070 ) V

solve it we get

final speed V = 16.60 m/s

and

Change in kinetic energy  will be here

Δ KE =   \frac{1}{2} Mu^2 - \frac{1}{2}(M+m)V^2         .................2

put here value and we get

 Δ KE = \frac{1}{2}\times 1560\times 28^2 - \frac{1}{2}\times (1560 + 1070)\times 16.60^2  

solve it we get

Δ KE =  249158.6 kJ  

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