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Fittoniya [83]
3 years ago
7

A pumpkin is dropped after 5 seconds its velocity is 47m/s what is its acceleration

Physics
2 answers:
ANEK [815]3 years ago
8 0
 9.81m/s Hope i helped
Vesna [10]3 years ago
6 0

Answer:

Acceleration, a=9.4\ m/s^2

Explanation:

It is given that,

Initial speed of the pumpkin, u = 0

Final speed of the pumpkin, v = 47 m/s

Time taken, t = 5 seconds

Acceleration of an object is given by :

a=\dfrac{v-u}{t}

a=\dfrac{47\ m/s}{5\ s}

a=9.4\ m/s^2

So, the acceleration of the pumpkin is 9.4\ m/s^2. Hence, this is the required solution.

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Ronch [10]

Answer:

This is because these metals are used for minting (making) coins.

8 0
3 years ago
Plate tectonics is unique to which terrestrial planet?
kow [346]
Hey there 

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5 0
3 years ago
Read 2 more answers
Two planets have the same surface gravity, but planet b has twice the radius of planet
nevsk [136]
The formula for the acceleration due to gravity is:

a = Gm/r²
where
G is the universal gravitational constant = 6.6726 x 10⁻¹¹ N-m²/kg²
m is the mass of planet
r is the radius of planet

So, if they have the same a:

m₁/r₁² = m₂/r₂²
So, if m₁ = m and r₂ = 2r₁,
m/r₁² = m₂/(2r₁)²
m₂ = 4m

<em>Thus, the answer is D.</em>
8 0
3 years ago
What is the speed of a car that travels 48 km in 2 hours?
ankoles [38]
Speed=distance/time

distance =48km
time=2 hours

speed=48/2
=24km/h


speed=24km/h

FORMULAS

speed = distance/time
time = distance/speed
distance = speed×time

3 0
3 years ago
A cat walks along a plank with mass M= 6.00 kg. The plank is supported by two sawhorses. The center of mass of the plank is a di
dimulka [17.4K]

Answer:

d₂ = 1.466 m

Explanation:

In this case we must use the rotational equilibrium equations

        Στ = 0

        τ = F r

we must set a reference system, we use with origin at the easel B and an axis parallel to the plank , we will use that the counterclockwise ratio is positive

      + W d₁ - w_cat d₂ = 0

      d₂ = W / w d₁

      d₂ = M /m d₁

      d₂ = 5.00 /2.9    0.850

      d₂ = 1.466 m

6 0
3 years ago
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