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vekshin1
3 years ago
7

a ball rolls 6.0 meters as its speed changes from 15 meters per second to 10 meters per second. whaf is the average speed of the

ball as it rolls the 10 meters?

Physics
1 answer:
yawa3891 [41]3 years ago
6 0
(3) 12.5 don’t ask me to explain this
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A delivery truck leaves a warehouse and travels 2.60 km north. The truck makes a right turn and travels 1.33 km east before maki
charle [14.2K]

Answer:

AD\approx1.7582\ km

Explanation:

Follow the schematic in which point A is the warehouse and point D is the destination.

Now we observe the triangle constructed \Delta ADB:

here:

AB\perp BD

AB=2.6-1.45

AB=1.15\ km

&

BD=1.33\ km

As we know that displacement is the shortest distance between two points.

<u>Using Pythagoras theorem:</u>

AD=\sqrt{AB^2+BD^2}

AD=\sqrt{(1.15)^2+(1.33)^2}

AD\approx1.7582\ km

3 0
3 years ago
Do I fill this chart right? Can you please check if I am wrong or not?
luda_lava [24]

Physical properties of water:

Color: No color/colorless.

Odor: Odorless.

Taste: Tasteless.

Density: 1 g/ml.

Boiling point: 100°C.

Freezing/Melting point: 0°C.

State or phase:

Vapor: Gas.

Room temperature: Liquid.

Ice: Solid.

Hence, water is a colorless, odorless, and tasteless substance whose density is 1 g/ml. It boils at 100°C and melts at 0°C. In the vapor phase, it is in a gaseous state, at room temperature, it exists in a liquid state, and when its freezes (ice) it's in the solid state.

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In the absence of air friction, an object dropped near the surface of the Earth experiences a constant acceleration of about 9.8
Ostrovityanka [42]

Answer:

O speed of the object increases 9.8 m/s during each second

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3 years ago
Avg velocity definition | Problem Average velocity vectors…
Aneli [31]

Answer:

point in the same direction as the change in position.

require knowing the initial and final position, along with the elapsed time.

Explanation:

As we know that average velocity is defined as the ratio of change in position and the time interval of the object

It is given as

v_{avg} = \frac{\Delta x}{\Delta t}

so we will have

\Delta x = displacement

\Delta t = time interval

the direction is this average velocity is always along the direction of the displacement

so correct answer will be

point in the same direction as the change in position.

require knowing the initial and final position, along with the elapsed time.

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3 years ago
When using a crowbar to remove a nail, the person should hold it at which of the following spots to increase the IMA of the leve
Ilia_Sergeevich [38]

Answer: the furthest from the end prying out the nail

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4 years ago
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