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2 years ago

A horizontal force of 50 N is required to push a wagon across a sidewalk at a constant speed.

Physics

1 answer:

Lerok [7]2 years ago

5 0

The answer is In fact A because it’s unbalanced

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Correct answer gets marked brainly

daser333 [38]

Answer:

CHEMICAL WHETEARING

Explanation:

good luck on ya test bud

5 0

2 years ago

Read 2 more answers

You have a rod with a length of 146.4 cm. You prop up one end on a brick which is 3.8 cm thick. Your uncertainty in measuring th

AfilCa [17]

Answer:

$\partial \theta = 0.003$

Explanation:

we know that

$sin\theta = \frac{3.8}{146.4}$

$\theta = sin^{-1} \frac{3.8}{146.4}$

$\theta = 1.484°$

$\theta = 1.484° *\frac{\pi}{180} = 0.0259 radians$

as we see that $sin\theta = \theta$

relative error $\frac{\partial \theta}{\theta} = \frac{\partial X}{X_1} +\frac{\partial X}{X_2}$

Where X_1 IS HEIGHT OF ROCK

$X_2$ IS THE HEIGHT OF ROAD

$\partial X$ = uncertainity in measuring distance

$\partial X = 0.05$

Putting all value to get uncertainity in angle

$\frac{\partial \theta}{0.0259} = \frac{0.05}{3.8} +\frac{0.05}{146.4}$

solving for $\partial \theta$ we get

$\partial \theta = 0.003$

3 0

2 years ago

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

Vinvika [58]

I don’t speak this language

5 0

3 years ago

Identify the type of electrification of the road

Arte-miy333 [17]

Electrification is widely considered as a viable strategy for reducing the oil dependency and environmental impacts of road transportation. In pursuit of this strategy, most attention has been paid to electric cars. However, substantial, yet untapped, potentials could be realized in urban areas through the large-scale introduction of electric two-wheelers.

6 0

2 years ago

Suppose that the Sun started shrinking in size, without losing any mass. What would be the effect of the Sun's change on the orb

adell [148]

Answer:

F = G M m / R^2 gravitational force on planet of mass m.

None of these quantities change in the given hypothesis so

there will be no change in the orbit of mass m

3 0

1 year ago