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Naddik [55]
1 year ago
5

Scenario 3Starting at rest, a 3 kg ball is dropped from the side of a bridge and strikes the ground below at 35m/s. What is the

height of the bridge?
Physics
1 answer:
Nonamiya [84]1 year ago
4 0

   The ball's gravitational potential energy is converted into kinetic energy as it falls toward the ground.

<h3>How can the height of a dropped ball be determined?</h3>

    Y = 1/2 g t 2, where y is the height above the ground, g = 9.8 m/s2, and t = 1.3 s, is the formula for problems like these. Any freely falling body with an initial velocity of zero meters per second can use this formula. figuring out how much y is.

   A ball drops from the top of a building and picks up speed as it descends. Its speed is increasing by 10 m/s every second. What we refer to as motion with constant acceleration is, for example, a ball falling due to gravity.

    The ball's parabolic motion causes it to move at a speed of 26.3 m/s right before it strikes the ground, which is faster than its straight downhill motion, which has a speed of 17.1 m/s. Take note of the rising positive y direction in the above graphic.

To Learn more About potential energy, Refer:

brainly.com/question/14427111

#SPJ10

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Ann puts a beaker on the scale which shows the mass to be 1.65kg. The actual mass was 1.72 kg. what was the percent error in Ann
mojhsa [17]

Measured reading is 1.65 kg

actual reading was 1.72 kg

error in the reading is 1.72 - 1.65 = 0.07 kg

Now percentage error is given as

error = \frac{error}{true reading}*100

error = \frac{0.07}{1.72}*100

error = 4.1

<em>so this is -4.1% error as the measured reading is less than the actual value</em>

8 0
3 years ago
A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 8.0 times 10^1 N is being applied to the
Yanka [14]

Answer:

48 Newtons

Explanation:

  • There is no acceleration and net forces.
  • 8*10x^{-1}  N cos(53) = friction
  • Answer: 48.15 Newtons
7 0
2 years ago
What current flows through a hair dryer plugged into a 110 Volt circuit if it has a resistance of 25 ohms?
vfiekz [6]

Answer:

Ohm's Law says

V=I⋅R.

A bit of algebra says

I=VR So V= 110V 25 Ω=4.4VΩ=A

I hope this helps,

Explanation:

7 0
2 years ago
A deer is walking at 2.27speeds up to 13.42 m/s, covering a distance of 53.2 meters during this acceleration. How much time did
lakkis [162]

Answer:

t=3.964s

Explanation:

Use t=d/s

t=53.2m/13.42m/s= 3.964s

6 0
3 years ago
Recall that global winds impact the direction of surface ocean currents. Examine the following map showing the Atlantic Ocean of
ASHA 777 [7]

Answer:

This is as a result of the movement of the current in the Southern Hemisphere and it is deflected in a counterclockwise direction by the subtropical gyre. Furthermore, the ocean current that is at the Southern Hemisphere is pushed by the Coriolis effect toward the left side because of the rotation of the Earth.

Explanation:

This is as a result of the movement of the current in the Southern Hemisphere and it is deflected in a counterclockwise direction by the subtropical gyre. Furthermore, the ocean current that is at the Southern Hemisphere is pushed by the Coriolis effect toward the left side because of the rotation of the Earth. Those are the major reasons.

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2 years ago
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