2 years ago

An apple and a stone dropped from certain height accelerates:Required to answer. Single choice.Immersive Reader

Physics

1 answer:

Vinvika [58]2 years ago

7 0

An apple and a stone dropped together from any height accelerate <em>equally.</em>

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a stone is vertically thrown upward with the velocity of 72km/hr find the maximum height reached the height

dolphi86 [110]

Answer:

40m

Explanation:

v^2=gh

h=v^2/g

h=20^2/10

h=400/10

h=40

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2 years ago

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Roman55 [17]

Answer:9

Explanation:beacause

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What role does induction play when lightning strikes earth?

Dominik [7]

The role lightning plays in earth is when the earth is charged with positive protons, the lightning is the electron.

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Amy is standing still on the ground; Bill is riding his bicycle at 5 m/s eastward; and Carlos is driving his car at 15 m/s westw

Solnce55 [7]

Answer:

20 m/s westward

Explanation:

Taking eastward as positive direction, we have:

$v_B = +5 m/s$ is the velocity of Bill with respect to Amy (which is stationary)

$v_C = -15 m/s$ is the velocity of Carlos with respect to Amy

Bill is moving 5 m/s eastward compared to Amy at rest, so the velocity of Bill's reference frame is

$v_B = +5 m/s$

Therefore, Carlos velocity in Bill's reference frame will be

$v_C' = v_C - v_B = -15 m/s - (+5 m/s) = -20 m/s$

and the direction will be westward (negative sign).

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2 years ago

The period (T) of an oscillating wave is 1/5s. What happens to the frequency (f) of the wave if T increases to 1/2s

Anastasy [175]

Frequency = 1/T
as the 5 is reduced, frequency is increase.
as 1 whole wave travels through a point in a lesser time now

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2 years ago