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Slav-nsk [51]
3 years ago
8

An object dropped from Cliff falls with a constant acceleration of 10 metre per second square find its Speed of two seconds afte

r it was dropped
Physics
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

20 meters per second

Explanation:

All you have to do is multiply 10 meter by the speed of two seconds which is 20 METERS PER SECOND

PLEASE MARK BRAINLIEST KIND PERSON :)

<u><em>~Luis~</em></u>

julsineya [31]3 years ago
3 0

Answer:

20 meters per second

Explanation:

If an object accelerates for 2 seconds, and accelerates by 10 meters per second, then that objects speed will be 20 meters per second, assuming hat there are no other factors involved.

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What is the peak emf generated (in V) by rotating a 1000 turn, 42.0 cm diameter coil in the Earth's 5.00 ✕ 10−5 T magnetic field
ELEN [110]

Answer:

5.77 Volt

Explanation:

N = 1000, Diameter = 42 cm = 0.42 m,  t = 12 ms = 12 x 10^-3 s

Change in magnetic field, B = 5 x 10^-5 T

The peak value of emf is given by

e = N x dФ / dt

e = N x A x dB/dt

e = (1000 x 3.14 x 0.21 x 0.21 x 5 x 10^-5) / (1.2 x 10^-3)

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3 0
3 years ago
When Danny Diver who weighs 500 N steps off a diving board 10 m above the water, he hits the water with kinetic energy of
Andreas93 [3]

Answer:

5000 J

Explanation:

Given that,

Weight of Danny Diver, F = 500 N

He steps off a diving board 10 m above the water

We need to find the kinetic energy of the water with which it hits. Let its is K. It is given by :

E = mgh

Where g is acceleration due to gravity

E=500\ N\times 10\ m\\\\=5000\ J

So, he hits the water with kinetic energy of 5000 J.

8 0
3 years ago
Assume each tick mark represents 1 cm. Calculate the total displacement if a toy car starts at 0, moves 5 cm to the left, then 8
borishaifa [10]
<h2>Answer:</h2>

Total displacement is zero cm

<h2>Explanation:</h2>

Look at the picture

8 0
3 years ago
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A block of ice with mass mA rests on a wedge of ice with mass mB=7.93 kg that is cut so that the surface of the wedge makes an a
Alika [10]

Answer:

The answer is 7.52 m/s².

Explanation:

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a = 7.5198 m/s²

3 0
3 years ago
Basically what does Discrete and Continuous charge distribution means?
Nana76 [90]
Discrete means something thats seperate or distant from something
 
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5 0
4 years ago
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