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choli [55]
2 years ago
11

A device is rated at 1.3kW when connected to a 120 V source. The equivalent resistance of this device in ohm is:

Physics
1 answer:
alexdok [17]2 years ago
7 0

Answer:

D.

correct me if im wrong

brainlest plsss<333

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A car races around a circular track. Friction on the tires is the what that acts toward the center of the circle and keeps the c
Ivanshal [37]
I would think force. Because friction has to have force to work ^-^
8 0
3 years ago
Mike stands on a scale in an elevator. If the elevator is accelerating upwards with 4.9 m/s2, the scale reading is ____ times Mi
Bas_tet [7]

Answer:

F - M a      force exerted by scales on student

M a = M (9.8 + 4.9) m/s^2      upwards chosen as positive

a = 1.5 g        net acceleration of student  due to force of scales

W =M g       weight of student   (actual weight)

Wapp = M 1.5 * g      apparent weight (on scales) of student

7 0
2 years ago
3. Work out the mass if an object is accelerated at <br> 10 m/s2 and has a weight of 98N.
elena-14-01-66 [18.8K]
Mass = Volume/Density. The answer is 9.8kg
3 0
2 years ago
w strong are you? Could you turn a moving car with just your own strength? No way! If a normal driver inputs about 50 N of force
malfutka [58]

The mechanical advantage of a simple machine is the measure of its amplified force gain.

The mechanical advantage  is defined as the force amplified by a machine to the force required to generate such output.

Mathematically\ mechanical\ advantage\ MA=\frac{F_{o}} {F_{i}}

F_{o} \ and\ F_{i} are the amplified force and applied force. We may also consider them as output and input force.          


In the given question, the force given to the steering wheel is 50 N.

The output force produced by the steering wheel is 3750 N.

Hence the mechanical advantage will be-

                               MA=\frac{F_{o}} {F_{i}}

                                       =\frac{3750\ N}{50\ N}

                                       =75      [ans]

3 0
2 years ago
Sarah observed that different kinds and amounts of fossils were present in a cliff behind her house. She wondered if changes in
MAXImum [283]
This is the answer: Fossil's found in Susan's yard are from prehistoric times.
6 0
3 years ago
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