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Physics

1 answer:

Stells [14]4 years ago

3 0

Solar energy, because of solar panels, hydroelectricity from a dam, or fossil fuels. fossil fuels would be the most ideal because it is more commonly used

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A smooth wooden block is placed on a smooth wooden tabletop. You find that you must exert a force of 22.0 N to keep this 7.00 kg

xxMikexx [17]

Answer:

B . 68.7 N

Explanation:

Given in the question that;

Force = 22 N

Mass = 7.0 kg

Velocity = 4.0 m/s

Gravitational force is the weight of wooden block , calculated as mass times acceleration due to gravity.

F= m* a

F= 7 * 9.81

F= 68.67 N

F= 68.7 N

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3 years ago

A clothes dryer in a home draws a current of 10 amps when connected on a special 220-volts household circuit.what is the resista

aliya0001 [1]

Answer:

22Ω

Explanation:

if V ⇒ voltage

I ⇒ current

R ⇒ resistance

V = IR

220 = 10 x R

220 / 10 = R

22 = R

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2 years ago

Hello, can somebody tell me the physical flow quantities besides the 7 basic ones?

baherus [9]

Answer:

There are seven fundamental physical quantities they are: length, mass, time, electric current, temperature, amount of substance, and light intensity.

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3 years ago

10. Calculate A ramp is

inna [77]

Answer: 3.33

Explanation:

MA = De/Dr

MA = 5.0/1.5

MA= 3.33

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4 years ago

A rocket car is developed to break the land speed record along a salt flat in Utah. However, the safety of the driver must be co