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stepladder [879]
3 years ago
9

Please help 20pts appreciate it

Physics
1 answer:
devlian [24]3 years ago
6 0
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Cars with hybrid and electric motors what?
kogti [31]
Are silent run on power and have to be electricly charged
5 0
3 years ago
Determine the farthest away a car can be at night so that your eyes can resolve the two headlights. Assume that the the diameter
Zigmanuir [339]

Answer:

The farthest distance is L_{max}=11.48 km

Explanation:

The angular resolution is mathematically represented as

              \theta = \frac{Z}{L} = \frac{1.22 \lambda}{d}

Where Z is the distance between the car head lamp with a value Z = 1.4 m

L is the distance between the eye and the car

\lambda is the wavelength  with a value 500 nm = = 500 *10^{-9}m

d is the diameter of the eye with a value  d = 0.50 cm = = \frac{0.50}{100} = 0.005m

   The maximum distance L_{max} is given as

              L_{max} = \frac{(1.4) *0.005}{1.22 * (500 *10^{-9})}

                       = 11.48*10^{3}m

                        =11.48 km

             

rrrrrrr

8 0
4 years ago
If a body with a mass of 4 kg is moved by a force of 20 N, what is the rate of its acceleration?​
valentina_108 [34]

Explanation:

F = ma

20 N = (4 kg) a

a = 5 m/s²

8 0
3 years ago
How much work (MJ) must a car produce to drive 125 miles if an average force of 306 N must be maintained to overcome friction?
baherus [9]

Answer:

The right solution is "61.557 MJ". A further explanation is given below.

Explanation:

The given values are:

Force,

F = 306 N

Drive,

D = 125 miles,

i.e.,

  = 201168

meters

As we know,

The work done will be:

= F\times S

On substituting the given values, we get

= 306\times 201168

= 61557408 \ J

On converting it in "MJ", we get

= 61.557\times 10^6 \ J

= 61.557 \ MJ

6 0
3 years ago
Can someone help me please??<br> This question is confusing to me:(
puteri [66]
Its d. the water isn't moving the fish, and that's how they remain stationary. they don't have any currents pushing on them. if this is wrong, its c, which is practically the same thing. but its most likely d.
7 0
4 years ago
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