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2 years ago

Which best describes the runners

Physics

1 answer:

qaws [65]2 years ago

3 0

Answer:

The answer is

Explanation:

Daniela had a 5 meter head start, and Leonard caught up to her at 25 meters.

brainiest would be cool

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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.0 m above the water. One diver runs of

Alika [10]

Answer:

Number of revolutions=1.532 revolutions

Explanation:

Given data

Distance s=8.0 m

Angular speed a=1.2 rev/s

To find

Number of revolutions

Solution

From the equation of simple motion we not that

$S=ut+1/2gt^{2}\\ where\\u=0\\So\\8.0m=0+(1/2)(9.8m/s^{2} )t^{2}\\ t^{2}=\frac{8.0m}{0.5*9.8m/s^{2} } \\ t^{2}=1.63\\t=\sqrt{1.63} \\t=1.28s$

So for the number of revolutions she makes is given as

$n=a*t\\n=(1.2rev/s)(1.28s)\\n=1.532revolutions$

8 0

3 years ago

Refer back to your data. List all indicators of chemical change that you observed.

Xelga [282]

Below are the 5 main indicators of chemical change.

Chemical change indicators:<span>
Color change
</span>Temperature change
Precipitate formation<span>
Odor
Bubble formation

I hope this helps!</span>

3 0

2 years ago

Read 2 more answers

What type of force is keeping this person from falling through the wall

Softa [21]

Answer:

Friction

Explanation:

Friction keeps things from sliding into things according to newton's laws

5 0

2 years ago

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.1 m/s. The car is a distanc

Igoryamba

It's 61.5m

by solving simultaneously equations
29+d = 6t (bear)
d=4.1t (tourist)

6 0

2 years ago

Read 2 more answers

Define the following terms.

grandymaker [24]

Answer:

I can only define a few of them, hope you don't mind.

Seismic- It means connected with or caused by earthquakes

Epicenter- It means the point on the earth's surface where the effects of an earthquake are most felt strongly.

Fault- A place where there is a break that is longer than usual in the layers of rock in the earth's crust.

Tectonic waves- Waves connected with the structure of the earth's surface.

Plate boundaries- The boundaries that differentiates the large sheets of rock (called PLATES) that form the earth's surface. Plate tectonics is the movement of the large sheets of rocks that form the earth's surface

3 0

1 year ago