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Ganezh [65]
2 years ago
8

A rock is dropped from the top of a tall tower. Half a second later another rock, twice as massive as the first, is dropped. Ign

oring air resistance,
(A) the distance between the rocks increases while both are falling.
(B) the acceleration is greater for the more massive rock.
(C) the speed of both rocks is constant while they fall.
(D) they strike the ground more than half a second apart.
(E) they strike the ground with the same kinetic energy.
Physics
2 answers:
Gemiola [76]2 years ago
5 0
B- the acceleration is greater for the more massive rock
Marina86 [1]2 years ago
4 0
D they strike to the ground more than half second apart
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A light spring obeys Hooke's law. The spring's unstretched length is 34.0 cm. One end of the spring is attached to the top of a
sleet_krkn [62]

When the spring is extended by 44.5 cm - 34.0 cm = 10.5 cm = 0.105 m, it exerts a restoring force with magnitude R such that the net force on the mass is

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5 0
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Options: A.) 10 N B.) 15 N C.) 25 N D.) 35N
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Given:

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Let's find the net centripetal force exterted on the ball.

Apply the formula:

\sum ^{}_{}F_{\text{net}}=F_1+F_2=F_{centripetal}

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Hence, the tensional force is positive while the gravitational force is negative.

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ANSWER:

15 N

7 0
10 months ago
Pls answer 50 points for an answer!!!!
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ummmn hi i dont know lol

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