3 years ago

Which is a key criterion for the design of an automobile bumper?

Physics

1 answer:

Mrac [35]3 years ago

3 0

Answer: The answer is A

Explanation: The bumper is the first part of an automobile to be impacted when in a head-on accident

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Which block gets to the bottom of an incline first

Mila [183]

I can't help if u don't write the full question

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3 years ago

Manuel is holding a 5kg box. How much force is the box exerting on him?In what direction

soldi70 [24.7K]

The force the box is exerting on Manuel is the weight of the box, downward:
$W=mg=(5 kg)(9.81 m/s^2)=49.05 N$
and this force is perfectly balanced by the constraint reaction applied by Manuel's hand, pushing upward.

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4 years ago

Jake calculates that the frequency of a wave is 500 hertz and that the wave is moving at 1,250 m/s. What is the wavelength of th

Neko [114]

Frequency (f) = 500 hz (SI)
Velocity (V) = 1250 m/s (SI)
Wavelength (Lambda) = ? meters

$v = \lambda \times f$
$1250 = \lambda \times 500 \\ \lambda = 1250 \div 500 \\ \lambda = 2.5 \: meters$

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3 years ago

What is equivalent resistance? How do you calculate it for a series circuit?

Annette [7]

FORMULA:

R(s) = R1 + R2 + R3 + Rn where n is the number of resistors.

ANSWER:

The equivalent resistance is where the aggregate resistance connected either in parallel or series is calculated.

We already know that, In series combination all the resistors are connected directly. So, to calculate the equivalent resistance in series we just have to add the all value of resistance.

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3 years ago

The generator at a power plant produces AC at 20,000 V. A transformer steps this up to 355,000 V for transmission over power lin

Masja [62]

Answer:

Number of coil in the output is 39938

Explanation:

We have given a step up transformer

Input voltage of transformer, that is primary voltage $v_p=20000volt$