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3 years ago

Which statement is true about the circuit diagram below?

Physics

1 answer:

Snezhnost [94]3 years ago

8 0

Answer:

Explanation:

Well, the electricity starts it's move from the positive terminal to the negative terminal, So it's clockwise.

and the resistances ain't parallel, so the gon be in series.

your answer gon be choice A

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A 15.0 Kg object is moved from a height of 7.00 m above thefloor to a height of 13.0 m above the floor. What is the change ingra

Pie

To solve this problem we will apply the concepts related to potential gravitational energy. This is defined as the product between mass, acceleration and change in height and can be expressed as,

$\Delta PE = mg \Delta h$

Here,

m = Mass

g = Gravitational acceleration

$\Delta h$ = Height

Replacing with our values we have,

$\Delta PE = (15kg)(9.81m/s^2)(13m-7m)$

$\Delta PE = 882.9J \approx 883J$

Therefore the change in gravitational potential energy is 883J.

4 0

3 years ago

Madison applied a force of 150 N in a horizontal direction to a sleigh. Meanwhile the sleigh slid 30.0 m across a level surface

Sergeeva-Olga [200]

Answer:

4500 joules

Explanation:

since work(joules) = force(newtons) x distance(meters),

150N x 30M = 4500 Joules

7 0

4 years ago

Read 2 more answers

A 2.40 kg stone is sliding in the +x-direction on a horizontal, frictionless surface. It collides with a 4.00 kg stone at rest.

tester [92]

Answer:

4.32 kg.m/s

Explanation:

SInce the 2.4 kg stone is mobing at speed of 3.6m/s at an angle of 30 degree measured from the x+ direction toward y+ direction. Its y-component momentum is product of its velocity in the y-direction and its mass

$P_y = m*v_y = m*v*sin(\theta)$

$P_y = 2.4*3.6*sin(30)$

$P_y = 2.4*3.6*0.5 = 4.32 kg.m/s$

5 0

3 years ago

A runner of mass 53.0 kg runs around the edge of a horizontal turntable mounted on a vertical, frictionless axis through its cen

const2013 [10]

Answer:

0.336 rad/s

Explanation:

$\omega_1$ = Angular speed of the turntable = -0.2 rad/s

R = Radius of turntable = 2.9 m

I = Moment of inertia of turntable = $76\ kgm^2$

M = Mass of turn table = 53 kg

$v_1$ = Magnitude of the runner's velocity relative to the earth = 3.6 m/s

As the momentum in the system is conserved we have

$Mv_1R+I\omega_1=(I + MR^2)\omega_2\\\Rightarrow \omega_2=\dfrac{Mv_1R+I\omega_1}{I + MR^2}\\\Rightarrow \omega_2=\dfrac{53\times 3.6-76\times 0.2}{76+53\times 2.9^2}\\\Rightarrow \omega_2=0.336\ rad/s$

The angular velocity of the system if the runner comes to rest relative to the turntable which is the required answer is 0.336 rad/s

4 0

3 years ago

The process of conversion of solid into gas and again gas into solid is known as

pantera1 [17]

Sublimation is when a solid becomes a gas. And gas to solid is deposition.

6 0

4 years ago