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2 years ago

2. The stage choreography for a play requires an

Physics

1 answer:

Leya [2.2K]2 years ago

4 0

Answer:

Explanation:

Given that the actor walk 5 steps forward, 9 steps left, and 2 steps backward to be standing over the trap

door.

Let first consider the steps forward and the steps backwards

The displacement = 5 - 2 = 3

That is, 3 steps forward.

Therefore,

The components of the actor's

motion from the starting position will be:

9 steps left and 3 steps forward

D is the correct answer.

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topjm [15]

Explanation:

u=166m/s, v=0(at it's highest point final velocity is zero), a=9.8m/s², t=8.6s

by the formula, S=ut+½at².

S=[166×8.6+½.×9.8×(8.6)²]. ...by calculation

S = 1427.6+362.404

S=1790.004m

hope this helps you.

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2 years ago

During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive

Alex

Answer:

616.223684211 N

Explanation:

$F_r$ = Resistive force on the wheel = 115 N

F = Force acting on sprocket

$r_2$ = Radius of sprocket = 4.75 cm

$r_1$ = Radius of wheel = 25 cm

Moment of inertia is given by

$I=mr_1^2\\\Rightarrow I=1.7\times 0.25^2\\\Rightarrow I=0.10625\ kgm^2$

Torque

$\tau=I\alpha\\\Rightarrow \tau=0.10625\times 4.9\\\Rightarrow \tau=0.520625\ Nm$

Torque is given by

$\tau=Fr_2-F_rr_1\\\Rightarrow F=\dfrac{\tau+F_rr_1}{r_2}\\\Rightarrow F=\dfrac{0.520625+115\times 0.25}{0.0475}\\\Rightarrow F=616.223684211\ N$

The force on the chain is 616.223684211 N

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2 years ago

Based on your book reading, what is the difference between ecosystem serveries and natural resources? Explain your response.

chubhunter [2.5K]

Answer:

Answer:This organism may be identified by its color, the spines on its back, the antennae, and therefore the long, thin body. There are many other characteristics that might even be wont to identify this organism.

Explanation:

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3 years ago

Which physical property is defined as the amount of space that matter occupies?

nikdorinn [45]

Answer:

The matter has mass and takes up space. The amount of space that matter takes up is called its : density

6 0

3 years ago

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A bowler applies 14 N of force to a 4.5 kg bowling<br> ball. Find the ball's acceleration.

brilliants [131]

Answer:

F=m(a) 3.111

Explanation:

So to find the acceleration you would have to reverse the problem, a=F/m

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3 years ago

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