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Kazeer [188]
3 years ago
5

Assume that the potential energy of the basketball is 0 J at position E. At which point is the ball's potential energy half of i

ts maximum value? Explain
Physics
2 answers:
Aliun [14]3 years ago
8 0

The potential energy of a body is the maximum at the highest position of that body. So for example, if the maximum position of the ball is at 3 m, there will be the maximum potential energy.

To get the half of the maximum potential energy, the ball should be at the half of the maximum position, which is 1.5 m.


Nookie1986 [14]3 years ago
6 0
The potential energy of a body is the maximum at the highest position of that body. So for example, if the maximum position of the ball is at 3 m, there will be the maximum potential energy.

To get the half of the maximum potential energy, the ball should be at the half of the maximum position, which is 1.5 m.
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A bird flying straight upward at 5 m/s drops a berry when it is 300 m above the ground. How fast is the berry going when it hits
Nikitich [7]

Answer:

v=77.62 m/s

Explanation:

Given that

h= - 300 m

speed of the bird ,u= 5 m/s

Lets take Speed of the berry when it hit the ground = v m/s

we know that ,if object is moving upward

v² = u² - 2 g h

u=Initial speed

v=Final speed

h=Height

Now by putting the values

v² = u² - 2 g h

v² = 5² - 2 x 10 x (-300)                ( take g = 10 m/s²)

v² =25 + 20 x 300

v² ==25 + 6000

v² =6025

v=77.62 m/s

Therefore the final speed of the berry will be 77.62 m/s.

5 0
3 years ago
A bottle rocket takes off with a = 34.5 m/s2. It
sergiy2304 [10]

Answer:3.4 seconds

Explanation:

Initial velocity(u)=0

acceleration=34.5m/s^2

Height(h)=200m

Time =t

h=u x t - (gxt^2)/2

200=0xt+(34.5xt^2)/2

200=34.5t^2/2

Cross multiply

200x2=34.5t^2

400=34.5t^2

Divide both sides by 34.5

400/34.5=34.5t^2/34.5

11.59=t^2

t^2=11.59

Take them square root of both sides

t=√(11.59)

t=3.4 seconds

8 0
3 years ago
A circuit has a current of 1.2 A. If the voltage decreases to one third of its original amount while the resistance remains cons
Katen [24]
When resistance is constant, current is proportional to voltage. When 1/3 the voltage is applied, 1/3 the current will result.

(1/3)*(1.2 A) = 0.4 A

The resulting current will be 0.4 A.
8 0
3 years ago
Define the term “force”.
Aleonysh [2.5K]

Energy that is applied to an object.

--TheOneandOnly003

3 0
3 years ago
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8) In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange car is traveling at a veloci
Ghella [55]

The answer is D) Niether . I just took the test

3 0
3 years ago
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