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3 years ago

List 3 different things you can read off a motion graph.

Physics

2 answers:

Kryger [21]3 years ago

7 0

1: Position-Time, 2: Velocity-Time, 3: Acceleration-Time.

Lunna [17]3 years ago

6 0

Answer:

1) Position time graph

2) Acceleration time graph

3) Velocity time graph

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A 22.8 kg rocking chair begins to slide across the carpet when the push reaches 57.0 N. What is the coefficient of static fricti

vfiekz [6]

Answer:

0.255

Explanation:

The following data were obtained from the question:

Force (F) = 57 N

Mass (m) = 22.8 Kg

Coefficient of static friction (µ) =...?

Next, we shall determine the normal reaction (R). This is illustrated below:

Mass (m) = 22.8 Kg

Acceleration due to gravity (g) = 9.8 m/s²

Normal reaction (R) =?

R = mg

R = 22.8 x 9.8

R = 223.44 N

Finally, we can obtain the coefficient of static friction (µ) as follow:

Force (F) = 57 N

Normal reaction (R) = 223.44 N

Coefficient of static friction (µ) =...?

F = µR

57 = µ x 223.44

Divide both side by 223.44

µ = 57/223.44

µ = 0.255

Therefore, the coefficient of static friction (µ) is 0.255.

7 0

3 years ago

On Distance Displacement Position vs. Time graphs. Velocity vs. Time graphs, and Acceleration vs. Time graphs, which vanable is

MArishka [77]

Answer:

your question dosent make sense?

Explanation:

6 0

3 years ago

You are playing right field for the baseball team. Your team is up by one run in the botton of the last inning of the game when

VARVARA [1.3K]

Answer:

The correct response is "No". The further explanation is given below.

Explanation:

The given values are:

Angle

$\theta = 30^{\circ}$

Distance

d = 20 m

Speed

s = 8.0 m/s

Now,

⇒ $y(t) = \frac{1}{2}\times a\times t^2 + v0\times t\times (sin \theta)$

$0 = -4.9t^2 + v0\times t\times (sin 30)$

$x = v0\times (cos \theta)\times t$

$65 = v0\times (cos 30)\times t$

$v0\times t = \frac{65}{Cos30}$

$0 = -4.9t^2 + 65\times \frac{sin30}{cos30}$

$t = 2.767 \ sec$

So,

⇒ $d = r\times t$

$20 = 8\times t$

$t=2.5 \ sec$

Therefore, 2.5 < 2.767, so it won't get there.

6 0

3 years ago

Which statement best describes how the distance from a large river affects an area’s climate in the summer?

Montano1993 [528]

Answer:

Regions near rivers have water surfaces that rapidly change in temperature from cold to hot.

you have your own answer i only selected which is suitable for me . none of them is wrong they re excellent

3 0

3 years ago

Read 2 more answers

A stone is dropped from the top of a high cliff with zero initial velocity. In which system is the net momentum zero as the ston

Gala2k [10]

Answer:

A system that includes the stone and the earth.

Explanation:

If the system of being dropped from the height of the cliff consists of just the stone alone, then it means that its momentum will certainly undergo changes as it falls freely. However, If the system is now expanded to include not only the stone but also the Earth, then it implies that the momentum of the stone which is in the downward direction will be equal and opposite to the momentum of the Earth in the upwards direction towards the stone. Therefore, the momentum will cancel out and net momentum will be zero.

3 0

3 years ago