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avanturin [10]
2 years ago
12

A school bus is moving at a constant velocity of 30 m/s, East. Which statement best describes the motion of the truck?

Physics
2 answers:
Delvig [45]2 years ago
5 0

Answer:

that the truck seems to be moving around the same rate

zzz [600]2 years ago
4 0

Answer:

The car appears to be moving 30 km/hr in the opposite direction of the bus.

Explanation:

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Where would the barycenter of these two bodies be located given their masses?
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It's kinda tough, since we don't know the actual numerical locations of the points, only an approximate picture.

The big ball has 11 times the mass of the small ball, so the small ball is 11 times as far from the barycenter as the big ball is.

If any of the points is marked at the actual barycenter, it can only be point-A .

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3 years ago
What conditions are necessary for an artesian well
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A hydraulic lift is designed to lift cars up to 2000 kg in mass.If the lift under the car is 1.0 m by 1.2m and the area of the i
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Answer:

C) 160 N

Explanation:

m = mass of the car = 2000 kg

Weight of the car is given as

W = mg \\W = (2000) (9.8)\\W = 19600 N

F_{i} = Force exerted on the input piston

A_{i} = Area of input piston = 10 cm x 10 cm = 0.1 m x 0.1 m = 0.01 m²

A_{lift} = Area of lift = 1 m x 1.2 m = 1.2 m²

Using Pascal's law

\frac{F_{i}}{A_{i}} = \frac{W}{A_{lift}}\\\frac{F_{i}}{0.01} = \frac{19600}{1.2}\\F_{i} = 160 N

6 0
3 years ago
Which sequence shows all the colors of visible light arranged from shortest to longest wavelength?
Cloud [144]
Violet
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4 1
3 years ago
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This object is located 13.0 cm to the left of the lens and the image forms at 20.8 cm to the right of the lens.
Alina [70]

Answer:

0.125 cm

Explanation:

1/f = 1/d¡ + 1/d。

Find the focal point

(13.0^-1 + 20.8^-1) = 0.125 m

Focal point = 0.125 m  

6 0
2 years ago
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