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2 years ago

6

Now imagine that you are a haitian taptap driver and want a more comfortable ride. You decide to replace the springs with new sp

rings that can handle the typical heavy load on your vehicle. What spring constant do you want your new spring system to have?

1 answer:

Zinaida [17]2 years ago

4 0

k= - f/x this is the formula for spring constants

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A watermelon is blown into three pieces by a large firecracker. Two pieces of equal mass m fly away perpendicular to one another

Alenkinab [10]

Answer:

Speed of larger piece is $\dfrac{V\sqrt{2}}{3}$

Explanation:

We apply the principle of conservation of momentum.

The watermelon is initially at rest. The initial momentum = 0 kg m/s in all directions.

After the collision,

Vertical momentum = momentum of piece in y-direction + y-component of momentum of larger piece = $mV + 3mv_{ly}$

Here, $v_{ly}$ is the y-component of velocity of larger piece.

This is equal to 0, since the initial momentum is 0.

$v_{ly}=\dfrac{V}{3}$

Horizontal momentum = momentum of piece in x-direction + x-component of momentum of larger piece = $mV + 3mv_{lx}$

Here, $v_{lx}$ is the x-component of velocity of larger piece.

This is also equal to 0, since the initial momentum is 0.

$v_{lx}=\dfrac{V}{3}$

The velocity of the larger piece, $v_l$ , is the resultant of $v_{lx}$ and $v_{ly}$ . Since they are mutually perpendicular,

$v_l = \sqrt{v_{ly}^2+v_{lx}^2}= \sqrt{\left(\dfrac{V}{3}\right)^2+\left(\dfrac{V}{3}\right)^2}$

$v_l = \dfrac{V\sqrt{2}}{3}$

3 0

3 years ago

The dentisty of an object relies on both the _________ of the object.

Daniel [21]

Answer:

Density is determined by an object's mass and volume.

Explanation:

If two objects take up the same volume, but one has more mass, then it also has a higher density.

7 0

2 years ago

Reaction time is the lapse of time between muscular movement and external stimuli. True or false

riadik2000 [5.3K]

False. reaction time would be lapse of time between external stimuli and muscular movement

3 0

2 years ago

Read 2 more answers

A small ball with a mass of 0.6 kg and a velocity of 12 m/s hits another ball with the same mass. The firs forward and hits a th

Ket [755]

I think is 30m/s I am not sure

8 0

2 years ago

What is the student's kinetic energy at the bottom of the hill if he is moving

soldi70 [24.7K]

Answer:

KE = 10530 J or 10.53 KJ

Explanation:

The formula for kinetic energy is KE = 1/2 mv^2

Let's apply the formula:

KE = 1/2 mv^2

KE = 1/2 (65kg) (18m/s)^2

KE = 10530 J or 10.53 KJ

5 0

3 years ago