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tangare [24]
4 years ago
15

You travel an an average speed of 20 km/h in a straight line to get to your grandmothers house. It takes you 3 hours to get to h

er house. How far away is her house from where you started?
Physics
1 answer:
Ber [7]4 years ago
6 0
20km every 1 hr is what 20km/hr means.

so 3hrs is 20km*3=60km.
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You approach a railroad crossing with a cross buck sign that has no lights or gates. What should you do?
vichka [17]
Cross the railroad tracks but look both ways before crossing over
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3 years ago
A tall cylinder with a cross-sectional area 13.0 cm2 is partially filled with mercury; the surface of the mercury is 6.00 cm abo
kvv77 [185]

Answer:

V = 1060.8 cm³

Explanation:

we know that the pressure,

  P = density  x  gravity  x  depth

ρm is the density of mercury

ρw is the density of water

the pressure due to mercury P₁= (ρm) g h₁

the pressure due to water P₂ = (ρw) g h₂

the total pressure

P = P₁ + P₂

P =  (ρm) g h₁  + (ρw) g h₂

but the total pressure is double the pressure due to mercury.  

(ρm) g h₁ =(ρw) g h₂

h_2 = \dfrac{\rho_m\times h_1}{\rho_w}

h_2 =13.6\times 6

h₂ = 81.6 cm

the height of the water is 81.6 cm

the volume

V = height  x area

V = 81.6 x 13

V = 1060.8 cm³

the volume of water must be added to double the gauge pressure is V = 1060.8 cm³

8 0
3 years ago
The first bag you load into your vehicle from the pick-stage cart is the first bag you need to open on your route.
Mrac [35]

The given statement is false because the first bag you load into the vehicle will be at the bottom during the trip.

During a pick-stage cart, the first bad you load into the vehicle is always placed on the bottom, while subsequent bags are arranged on top of the first bag, all inside the vehicle.

At any point on your route, any bad you tend to open becomes the last bag you load into the vehicle because the first bag is far below the bottom.

Thus, we can conclude that the given statement is false because the first bag you load into the vehicle will be at the bottom during the trip.

<em>"Your question is not complete, it seems to be missing the following information";</em>

The first bag you load into your vehicle from the pick-stage cart is the first bag you need to open on your route. False/True

Learn  more here:brainly.com/question/16988824

6 0
3 years ago
Which type of microscope uses a beam of electrons to examine a specimen?
netineya [11]
This might sound wrong, but it's right.

The electron microscope.

that is the answer
7 0
3 years ago
At what angle should an object be thrown so that the maximum range is equal to three times the height reached by the projectile?
Delvig [45]
This link might help you: https://www.quora.com/At-what-angle-to-the-horizontal-should-a-body-be-projected-so-that-maximum-height-reached-is-equal-its-horizontal-range
5 0
3 years ago
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