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guajiro [1.7K]
3 years ago
11

How can you use the graph of velocity versus time to estimate the acceleration of the ball?

Physics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer: acceleration = slope  graph velocity vs time

Explanation: if you have the graph of velocity vs time , the slope of that graph equals the acceleration of our object assuming constant acceleration...but remenber por a real object is really hard to keep constant acceleration

Brrunno [24]3 years ago
7 0

Explanation:

The velocity vs time graph is used to find the acceleration of an object. The slope of a graph is given by :

m=\dfrac{y_2-y_1}{x_2-x_1}

Also, the rate of change of velocity is called the acceleration of an ball.

So, the slope of velocity time graph is used to estimate the acceleration of the ball.

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How much work is done by 0.070 m3 of gas, when the volume remains constant with pressure of 63 x 105 Pa?
stealth61 [152]

Answer:

W = 0 J

Explanation:

The amount of work done by gas at constant pressure is given by the following formula:

W = P\Delta V

where,

W = Work done by the gas

P = Pressure of the gas

ΔV = Change in the volume of the gas

Since the volume of the gas is constant. Therefore, there is no change in the volume of the gas:

W = P(0\ m^3)\\

<u>W = 0 J</u>

5 0
3 years ago
Walt ran 5 kilometers in 25 minutes going eastward what is his average velocity
Alex777 [14]

Answer:

1/5 km/min

Explanation:

the formula for velocity is distance/time

so if i plug in the distance and time i get 5/25 or 1/5

Hope this helps!

8 0
3 years ago
An airplane undergoes the following displacements: First, it flies 40 km in a direction 30° east of north. Next, it flies 56 km
goldfiish [28.3K]

Answer:

Distance from start point is 72.5km

Explanation:

The attached Figure shows the plane trajectories from start point (0,0) to (x1,y1) (d1=40km), then going from (x1,y1) to (x2,y2) (d2=56km), then from (x2,y2) to (x3,y3) (d3=100). Taking into account the angles and triangles formed (shown in the Figure), it can be said:

x1=d1*cos(60), y1=d1*sin(60)\\\\ x2=x1 , y2=y1-d2\\\\ x3=x2-d3*cos(30) , y3=y2+d3*sin(30)

Using the Pitagoras theorem, the distance from (x3,y3) to the start point can be calculated as:

d=\sqrt{x3^{2} +y3^{2} }

Replacing the given values in the equations, the distance is calculated.

4 0
3 years ago
True or false: electromagnets are an example of how magnetism can create electricity.
cestrela7 [59]

I dont really know but i think the first one is true super sorry

7 0
3 years ago
Space weather is dominated by a stream of charged particles emanating from the sun's magnetic field, known as ______________.
Katyanochek1 [597]

Answer:

<h2><em><u>solar wind</u></em></h2>

Explanation:

<em>This stream of particles emanating from sun's magnetic field is known as the solar wind. </em>

<em>The gas and particles come from the Sun's hot outer atmosphere, called the corona. These particles from the corona are charged with electricity.</em>

5 0
3 years ago
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