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2 years ago

9

Which objects represents a negatively charged particle?

2 answers:

Darya [45]2 years ago

6 0

Answer:

B

A

C

C

Explanation:

This is the correct order on edge

denis-greek [22]2 years ago

3 0

Answer: B,A,C,C

Explanation:

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Use the concepts of kinetic energy and potential energy to describe the motion of a child on a swing. Why does the child need a

andrew-mc [135]

When the child is moving, he/she has kinetic energy. For just a brief second before they move the other way, the child is not moving, but they have gravitational potential energy.

The child may need a push from time to time because friction with the air causes loss of energy.

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2 years ago

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How far away is mars?

Elanso [62]

Answer:

about: 110.14 million mi

Explanation:

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3 years ago

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These capacitors are then disconnected from their batteries, and the positive plates are now connected to each other and the neg

Kay [80]

Answer:

Following are the solution to the given question:

Explanation:

For charging plates that are connected in a similar manner:

Calculating the total charge:

$\to q =q_1 + q_2 = C_1V_1 +C_2V_2 =1320 + 2714 = 4034 \mu C$

Calculating the common potential:

$\to V = \frac{q}{C}= \frac{q}{(C_1 + C_2)} =\frac{4034}{6.8} = 593 \ V\\\\$

Calculating the charge after redistribution:

$When: \\\\q = q_{1}' + q_{2}' = q_1 + q_2$

$\to q_{1}' = C_1V = 2.2 \times 593 = 1305\ \mu C\\ \\ \to q_{2}' = C_2V = 4.6 \times 593 = 2729 \ \mu C$

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3 years ago

A disk-shaped grindstone of mass 3.0 kg and radius 8.0 cm is spinning at 600 rev/min. After the power is shut off, a man continu

kolbaska11 [484]

Answer:

τ=0.060 N.m

Explanation:

By kinematics:

$\omega f = \omega o-\alpha*t$

Solving for α:

$\alpha=\frac{\omega o-\omega f}{t}$

where ωo = 600*2*π/60; ωf = 0; t=10s

$\alpha=6.283rad/s^2$

The sum of torque is:

$\tau=I*\alpha$

$\tau=M*R^2/2*\alpha$

$\tau=0.060 N.m$

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3 years ago

a ford explorer traveled 100 miles the next day for 5 hours. What was the average speed of this vehicle?

Bumek [7]

Answer:

25 miles per hour

Explanation:

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2 years ago

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