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3 years ago

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aev [14]3 years ago

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Answer:

am I the only one seeing blink

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Which resistors in the circuit must have the same amount of charge passing through each second?

alexandr402 [8]

Resistors 'C' and 'D' are in series. There's only one possible route for current to flow through them.

Every electron that flows through one of them has to flow through the other one.

The current (amount of charge per second) must be the same in 'C' and 'D', no matter how many ohms of resistance either one may have. <em>(answer-choice B)</em>

6 0

3 years ago

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Three return steam lines in a chemical processing plant enter a collection tank operating at steady state at 9 bar. Steam enters

Lisa [10]

Answer:

Explanation:

Neglecting kinetic and potential energy effects, determine for the steam exiting the tank: (a) the mass flow rate, in kg/s. (b) the temperature, in °C.

The solution is shown in the picture below

4 0

4 years ago

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Dominic is the star discus thrower on South's varsity track and field team. In last year's regional competition, Dominic whirled

Svetllana [295]

Answer:

The net force is 3933.1 N

Explanation:

Centripetal force (F) = mv^2/r

m is the mass of the discus = 1.6 kg

v is the speed of the discus = 52 m/s

r is the radius of the circle = 1.1 m

F = 1.6×52^2/1.1 = 3933.1 N

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3 years ago

1. A penny is dropped from the top of a building 290 m high. Ignoring air resistance, if

pickupchik [31]

Answer:

9.8m/s

Explanation:

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4 years ago

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Hillary is walking to school at 1.3 m/s. She looks at her watch and realizes she is going to be late. She starts to hurry by inc

shusha [124]

initial speed by which Hilary is walking = 1.3 m/s

Now the rate of increase in her speed that is her acceleration is given by

$a = 0.090 m/s^2$

now we need to find her final speed after t = 10 s

so here we can use the kinematics equation in order to find the final speed

$v_f = v_i + at$

now plug in all data in the above equation

$v_f = 1.3 + (0.090 * 10)$

$v_f = 1.3 + 0.90$

$v_f = 2.2 m/s$

so here the final speed will be 2.2 m/s after she accelerates

7 0

3 years ago