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2 years ago

An object accelerates 1.3 m/s2 when a force of 3.7 newtons is applied to it. What is the mass of the object?

Physics

1 answer:

bezimeni [28]2 years ago

4 0

Answer:

<h3>The answer is 2.85 kg</h3>

Explanation:

The mass of the object can be found by using the formula

$m = \frac{f}{a} \\$

f is the force

a is the acceleration

From the question we have

$m = \frac{3.7}{1.3} \\ = 2.846153...$

We have the final answer as

Hope this helps you

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Answer:

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Explanation:

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3 years ago

A pure substance that is made of only one kind of atom is called _________.

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3 years ago

Read 2 more answers

Help with physics projectile motion

BlackZzzverrR [31]

Answer:

10.4 m/s

Explanation:

First, find the time it takes for the projectile to fall 6 m.

Given:

y₀ = 6 m

y = 0 m

v₀ = 0 m/s

a = -9.8 m/s²

Find: t

y = y₀ + v₀ t + ½ at²

(0 m) = (6 m) + (0 m/s) t + ½ (-9.8 m/s²) t²

t = 1.11 s

Now find the horizontal position of the target after that time:

Given:

x₀ = 6 m

v₀ = 5 m/s

a = 0 m/s²

t = 1.11 s

Find: x

x = x₀ + v₀ t + ½ at²

x = (6 m) + (5 m/s) (1.11 s) + ½ (0 m/s²) (1.11 s)²

x = 11.5 m

Finally, find the launch velocity needed to travel that distance in that time.

Given:

x₀ = 0 m

x = 11.5 m

t = 1.11 s

a = 0 m/s²

Find: v₀

(11.5 m) = (0 m) + v₀ (1.11 s) + ½ (0 m/s²) (1.11 s)²

v₀ = 10.4 m/s

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3 years ago

How long will it take for a rock to fall 12 meters?

Amiraneli [1.4K]

Answer:

approximately 5.8 seconds

Explanation:

if you where to time how fast a rock would fall 12 meters it would approximately be 5.8 seconds

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3 years ago

To calculate the change in kinetic energy, you must know the force as a function of _______. The work done by the force causes t

aliya0001 [1]

To calculate the change in kinetic energy, you must know the force as a function of position. The work done by the force causes the kinetic energy change

Explanation:

The work-energy theorem states that the change in kinetic enegy of an object is equal to the work done on the object:

$\Delta E_k = W$

where the work done is the integral of the force over the position of the object:

$W=\int F(x) dx$

As we see from the formula, the magnitude of the force F(x) can be dependent from the position of the object, therefore in order to solve correctly the integral and find the work done on the object, it is required to know the behaviour of the force as a function of the position, x.

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3 years ago