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1 year ago

Suzette had prepared the graph below to add to her lab

Physics

2 answers:

andre [41]1 year ago

6 0

Answer:

<h2>A title.</h2>

Explanation:

The thing missing here is not regarding the calculations, because Suzette even draw the line that explain the relation between the two variables, which also are included there. However, Suzette didn't include the title of the graph, so basically, we don't know to which problem belongs that graph. This is an important issue, because in lab report, we tend to have a lot of information, and if it's not identified, it's completely useful.

Charra [1.4K]1 year ago

4 0

Answer:

A title

Explanation:

Because this is middle school.

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A motion sensor is used to create the graph of a student’s horizontal velocity as a function of time as the student moves toward

Marrrta [24]

Answer:

Position xf is farther away from the sensor than x0, and ax is negative

Explanation:

Area of trapezoidal are=

= $\frac{1}{2} *(1.5+0.75)+\frac{1}{2} (1+0.75)(-0.5)$

= $\frac{1}{2} *(2.25-1.75*0.5)$

=0.6875 m

As the area is positive therefore displacement from xo is positive

ax=(change in velocity)/(Time)

ax= $\frac{-0.5-0}{3} =-\frac{1}{6} ms2$

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1 year ago

As an object in motion becomes heavier, its kinetic energy _____. A. increases exponentially B. decreases exponentially C. incre

diamong [38]

Answer:

USE SOCRACTIC IT WOULD REALLY HELP

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2 years ago

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1. A2 .7-kg copper block is given an initial speed of 4.0m/s on a rough horizontal surface. Because of friction, the block final

tatyana61 [14]

Answer:

A. Increase in temperature is 0.0176 degree Celsius. b. the remaining energy will be lost.

Explanation:

The mass of copper block = 7kg

Initial speed = 4.0 m/s

Specific heat of copper = 0.385 j/g degree Celcius.

a. The increase in temperature is calculated below:

$\text{Change in kinetic energy} = \frac{1}{2}mv^{2} \\= \frac{1}{2} \times 2.7 \times 4^{2} = 21.6 J \\$

85% of energy is converted into internal energy.

$mc\DeltaT = 21.6 \times 0.85 \\2.7 \times 385 \times \Delta T = 21.6 \times 0.85 \\\Delta T = 0.0176 degree \ celsius$

b. The remaining 15 per cent of kinetic energy will be lost and it will be changed into other forms.

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1 year ago

Which of the following best describes an action-reaction pair? A. The Moon Pulls on Earth, and Earth pulls back on the moon. B.

Papessa [141]

An action-reaction pair would be a pair in which one of the elements exerts a force on the other element (action), and then the other element would respond to this force by exerting another force in the opposite direction (reaction).

From the given choices, we will see that:
For choice A, the moon exerts a force on the earth by pulling it (action) and the earth responds to this force by pulling the moon (reaction in opposite direction of the action).

Therefore, the correct choice would be:
A. <span>The Moon Pulls on Earth, and Earth pulls back on the moon.</span>

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1 year ago

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Justine is ice-skating at the Lloyd Center what is her final velocity if she accelerates at a rate of 2.0 meters per second for

lilavasa [31]

2*3.5 = 7m/s

You multiply the acceleration per the time (they both are in seconds, otherwise, you should set them in the same units).

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1 year ago