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marin [14]
3 years ago
5

How many examples are there for oscillatory motion (i) Motion of football players (ii) String of a guitar (iii) Motion of a chil

d on a swing (iv) Rotating fan (f) Surface of drums (vi) Moving of bicycles on road (vii) Rolling of a ball on ground
is Apurva account ban ??​
Physics
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

yesssssss mere followers mein dekho Mrs Queen I'd hai uska follow her ☺

I'm a baby so I don't know the answer

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Hoochie [10]

B it increases with greater friction

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What will happen if you drop a golf ball, a baseball, and a bowling ball at the same instant from the top of a tall building
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Depending on the height of the building they can break due to impact on the floor.
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10 PTS! HELP!<br> If you have a mass of 47 kg on Earth, determine your mass on the moon.
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6 0
3 years ago
A ball is thrown vertically upwards from the edge of the cliff and hits the ground at the base of the cliff with a speed of 30 m
olya-2409 [2.1K]

To solve this problem we will apply the linear motion kinematic equations. From the definition of the final velocity, as the sum between the initial velocity and the product between the acceleration (gravity) by time, we will find the final velocity. From the second law of kinematics, we will find the vertical position traveled.

v = v_0 -gt

Here,

v = Final velocity

v_0 = Initial velocity

g = Acceleration due to gravity

t = Time

At t = 4s, v = -30m/s (Downward)

Therefore the initial velocity will be

-30 = v_0 -9.8(4)

v_0 = 9.2m/s

Now the position can be calculated as,

y = h +v_0t -\frac{1}{2}gt^2

When it has the ground, y=0 and the time is t=4s,

0 = h+(9.2)(4)-\frac{1}{2} (9.8)(4)^2

h = 41.6m

Therefore the cliff was initially to 41.6m from the ground

7 0
3 years ago
What is the density of the solid given that its mass is 200
alina1380 [7]

Answer:

a) 2cm³

b) 100 g/cm³

Explanation:

a- 9-7= 2cm³

b- 200 divided by 2= 100 g/cm³

Hope this helps... correct me if i'm wrong

7 0
3 years ago
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