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Scorpion4ik [409]
3 years ago
10

A box of mass 3 kg is lifted 1.5 m onto a shelf. Calculate the change in its gravitational potential energy. The gravitational f

ield strength is 10 N/kg.
Physics
2 answers:
Dmitrij [34]3 years ago
8 0

Answer:

yesssir....yup...thanks

Explanation:

THANKSSSSSSSSSS  for free points

andrey2020 [161]3 years ago
5 0

Answer:

Nvm..give me Brainliest..I need to rank up..thanks (:

Explanation:

I will help you with your questions..

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A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The length and mass of the rod
guapka [62]

Answer:

F = 0.179 N

Explanation:

given,

length of the rod = 0.759 m

mass of the rod = 1.03 kg

force = ?

initial angular speed = 0 rad/s

final angular speed = 6.87 rad/s

time interval = 9.95 s

the angular acceleration

\alpha = \dfrac{\omega_f-\omega_i}{\Delta t}

\alpha = \dfrac{6.87 -0}{9.95}

\alpha =0.690\ rad/s^2

moment inertial of the rod

I =\dfrac{mL^2}{3}

torque produced by the rod τ = I α

torque is also equal to τ = F L

now,

F L =  I α

F L=(\dfrac{mL^2}{3})\times \alpha

F= (\dfrac{1.03\times 0.759}{3})\times 0.690

F = 0.179 N

5 0
3 years ago
Read 2 more answers
Blood vessels that carry blood away from the heart are called​
White raven [17]

Answer:

The blood vessels dat carry blood away from the heart are non as arteries, while those dat carry blood back to the heart are veins.

Explanation:

The ARTERIES are major blood vessels connected to your heart.

8 0
3 years ago
Which law states that a charge cannot be created or destroyed?. A. Law of Conservation of Charge . B. Law of Conservation of Mot
Sedbober [7]
The correct answer for the given question above would be option D. The law that states that a charge cannot be created nor destroyed is the Law of Conservation of Energy. The Law of Conservation of Energy s<span>tates that the total amount of energy in an isolated system remains constant over time. Therefore, it can never be created nor destroyed.</span>
7 0
4 years ago
Steve is whirling a rubber cork, tied with a string to his finger, over his head as shown in the figure. The motion of the cork
I am Lyosha [343]

The tension in the string corresponds to the gravitational attraction between the Sun and any planet.

6 0
3 years ago
Read 2 more answers
Help asap please I will give you 5stars
boyakko [2]

Explanation:

In the parallel combination, the equivalent resistance is given by :

\dfrac{1}{R}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+....

4. When three 150 ohms resistors are connected in parallel, the equivalent is given by :

\dfrac{1}{R}=\dfrac{1}{150}+\dfrac{1}{150}+\dfrac{1}{150}\\\\R=50\ \Omega

5. Three resistors of 20 ohms, 40 ohms and 100 ohms are connected in parallel, So,

\dfrac{1}{R}=\dfrac{1}{20}+\dfrac{1}{40}+\dfrac{1}{100}\\\\=11.76\ \Omega

Hence, this is the required solution.

6 0
3 years ago
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