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vfiekz [6]
2 years ago
13

Panel A shows a ball shortly after being thrown upward. Panel B shows the same ball in an instant on its way down. Suppose air r

esistance can be ignored. Which statement is true? a) Both potential and kinetic energy are higher in Panel A than in Panel B. b) Both the potential and kinetic energy are higher in Panel B than in Panel A. c) The potential energy is higher in Panel A, but the kinetic energy is higher in Panel B. d) The potential energy is higher in Panel B, but the kinetic energy is higher in Panel A.

Physics
1 answer:
Anna11 [10]2 years ago
6 0

Answer:

ur mom

Explanation:

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Friction is generated when ______ interfere with each other on sliding surfaces. ...?
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5 0
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I throw a ball off the edge of a 15.0m cliff. If I threw it horizontally at 8.0 m/s, how much time did it take to fall?
pickupchik [31]
Just ignore the horizontal component 

if you have a vertical displacement of 15m, 0ms^1 initial velocity, end velocity is ignored, we know the acceleration due to gravity as 9.81ms^2 so we can work out the time using SUVAT

S=15
U=0
V=?
A=9.81
T=?

S=UT + 0.5 AT^2

UT=0

therefore,

S=0.5AT^2

rearrange to:

T=SQR (2S/A)

T = 1.75 seconds
 


3 0
3 years ago
Oftentimes the president appears on television handing out awards to American citizens. Which of the president’s many roles BEST
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3 0
3 years ago
A little girl is walking, swinging her arms through a 20° angle every 0.25 s. The length of each arm is 30 cm. Assuming that the
rodikova [14]

Answer:

The force will be "9.8\times 10^{-3} \ N".

Explanation:

The given values are:

Mass,

m = 1 gram

Angle,

Ф = 20°

As we know,

⇒ F=mg

On substituting the given values in the above expression, we get

⇒     =(1.0\times 10^{-3})(9.8)

⇒     =9.8\times 10^{-3} \ N

3 0
2 years ago
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