All categories

4 years ago

OK brainly if you want hard here here are sixty cups on a table. If one falls down, then how many remain

Physics

2 answers:

vivado [14]4 years ago

5 0

Answer:

If one cup falls down then there will be 59 cups left.

AveGali [126]4 years ago

5 0

Answer:

60 you never said it fell on the floor you said that it had only fallen

Explanation:

You might be interested in

how did the ice age affect the landscape of snowdonia? explain whether this process happened over short or a long period of time

nignag [31]

Answer:

It took over a long period of time to form the ice age. During the last Ice age, a thick sheet of the ice covered the landscape of Snowdonia.

The ice sheets shifted downwards and the rock from the back of the valley deposited the material again because the glaciers melted.

The main influence has been the climate and human actions in Snowdonia. The ice age formed around 450 million years ago over the Ordovician period.

6 0

3 years ago

Read 2 more answers

To live a good life and be the sort of people we ought to be, we need to develop a virtuous character that

nordsb [41]

Answer:

I belive its THAT HELPS US BE A BETTER PERSON

3 0

3 years ago

What symbol would best represent an electric fan in an electric circuit?

ladessa [460]

For this case we have, by definition, that:

Resistance is a component that is responsible for limiting the amount of current that can pass through a circuit, converting excess heat.

Consume energy.

Option A represents a swicth, option B represents a luminaire and option D represents a voltage source.

So, the correct option is C,

Answer:

Option C

3 0

3 years ago

Read 2 more answers

If you travel from Yakima to Ellensburg (Yakima to Ellensburg is 50 miles) with a speed of 60 miles/hour for half of the

koban [17]

Answer:

$\displaystyle \frac{480}{7}\approx 68.6\; \rm mph$ .

Explanation:

The average speed of an object is equal to total distance over total time.

Distance traveled: $\rm 50 \; mi$ .

How much time is taken? This trip is divided into two halves, each of distance $\displaystyle \frac{50}{2} = 25\;\rm mi$ .

Time spent on the first half of the trip:

$\displaystyle t_1 = \frac{s_1}{v_1} = \frac{25}{60} = \frac{5}{12}\; \rm hours$ .

Similarly, time spent on the second half of the trip:

$\displaystyle t_2 = \frac{s_2}{v_2} = \frac{25}{80} = \frac{5}{16}\; \rm hours$ .

In total:

$\displaystyle \frac{5}{12} + \frac{5}{16} = \frac{35}{48} \; \rm hours$ .

Average speed:

$\begin{aligned} \text{Average speed} &= \frac{\text{Total Distance}}{\text{Total Time}}\\ &= 50 \left/\frac{35}{48}\right.\\ &= 50 \cdot \frac{48}{35} \\&= \frac{480}{7}\approx 68.6\; \rm mph \end{aligned}$ .

This value turned out to be slightly different from the average of the speed during the two halves of the journey. The reason is that the object traveled at each speed for a different amount of time. It spent more time at the slower speed, which gives that speed a greater weight in the average. That explains why the average speed is closer to $\rm 60\; mph$ rather than $\rm 80\; mph$ .

3 0

3 years ago

Canada geese migrate essentially along a north–south direction for well over a thousand kilo-meters in some cases, traveling at

kotykmax [81]

Answer:

a) 66.4 relative to the west in the south-west direction

b) 5.455 hours

Explanation:

a)If the wind is blowing east-ward at a speed of 40km/h, then the west component of the geese velocity must be 40km/h in order to counter balance it. Geese should be flying south-west at an angle of

$cos(\alpha) = 40 / 100 = 0.4$

$\alpha = cos^{-1}(0.4) = 1.16 rad = 180\frac{1.16}{\pi} = 66.4^0$ relative to the West

b) The south-component of the geese velocity is

$100sin(\alpha) = 100sin(66.4^0) = 91.65 km/h$

The time it would take for the geese to cover 500km at this rate is

t = 500 / 91.65 = 5.455 hours

7 0

3 years ago