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Elena L [17]
3 years ago
12

WILL GIVE BRAINLY!! A hippogriff is a large flying creature that Hagrid watches over at Hogwarts. If the Hippogriff’s mass is 12

00 kg then what is its weight? (Remember that the acceleration of gravity is -9.8 m/s2.)
Physics
2 answers:
Novosadov [1.4K]3 years ago
4 0
S.I unit for weight or force(F) is newton(N)

F = m * a, where m is mass and a is acceleration.

F = 1200 kg * -9.8m/s^2
F = -11760 kgm /s^2
F = -11760 N

//not sure the weight is + or -.
ozzi3 years ago
3 0

If I am right, 1 kg= 2.2 pounds, which would make the hippogriff 2640 pounds on earth.      

             

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D. The number of electrons
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What is the volume of an object that has a density of 65g/cm3 and a mass of 130g.
lora16 [44]

Density <em>ρ</em> is mass <em>m</em> per unit volume <em>v</em>, or

<em>ρ</em> = <em>m</em> / <em>v</em>

Solving for <em>v</em> gives

<em>v</em> = <em>m</em> / <em>ρ</em>

So the given object has a volume of

<em>v</em> = (130 g) / (65 g/cm³) = 2 cm³

5 0
3 years ago
Please help in this question!! I will mark brainlest​
LUCKY_DIMON [66]

Answer:

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4 0
3 years ago
Sapting Leng You have a string with a mass of 13.7 q. You stretch the string with a force of 8.39 N, giving it a length of 1.87
marshall27 [118]

Answer:

a)  \lambda=0.935\ \textup{m}

b) f=36.19\approx 36\ \textup{Hz}

Explanation:

Given:

String vibrates transversely fourth dynamic, thus n = 4

mass of the string, m = 13.7 g = 13.7 × 10⁻¹³ kg

Tension in the string, T = 8.39 N

Length of the string, L = 1.87 m

a) we know

L= n\frac{\lambda}{2}

where,

\lambda = wavelength

on substituting the values, we get

1.87= 4\times \frac{\lambda}{2}

or

\lambda=0.935\ \textup{m}

b) Speed of the wave (v) in the string is given as:

v =f\lambda

also,

v=\sqrt\frac{T}{(\frac{m}{L})}

equating both the formula for 'v' we get,

f\lambda=\sqrt\frac{T}{(\frac{m}{L})}

on substituting the values, we get

f\times 0.935=\sqrt\frac{8.39}{(\frac{13.7\times 10^{3}}{1.87})}

or

f=\frac{33.84}{0.935}

or

f=36.19\approx 36\ \textup{Hz}

5 0
2 years ago
A cyclist is travelling eastwards at a velocity
VMariaS [17]

Answer:

0.02 m/s^2

Explanation:

change in velocity= 4.5m/s - 2.3m/s = 2.2 m/s

acceleration= change in velocity/change in time

acceleration= 2.2/120= 0.0183

= 0.02 (to 2 significant figures)

8 0
2 years ago
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