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gtnhenbr [62]
3 years ago
12

The force of attraction between any two objects is known as

Physics
2 answers:
Leona [35]3 years ago
7 0

Answer:

Gravity :)

Explanation:

lbvjy [14]3 years ago
3 0

Answer:

C-Gravity

Explanation:

Gravity is the The force of attraction between any two objects. For example throw a baseball in the air, What happens to it? It lands On the ground. This is gravity acting on the ball attracting it to the ground

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Hooke’s law states that the distance that a spring is stretched by hanging object varies directly as the mass of the object. If
trasher [3.6K]

Answer:

d_{2} = 33.33 cm

Explanation:

Given:

When mass, m_{1} =21 kg

          distance travelled is  d_{1}  = 140 cm

When mass, m_{2} =5 kg

         distance travelled is  d_{2}  = ?

Hooke's law state that within elastic limit, when an external force is applied to a body, the body gets deformed and when the force is released the gets back to its original form.

Therefore according to the question,

\frac{d_{1}}{m_{1}}=\frac{d_{2}}{m_{2}}

\frac{140}{21}=\frac{d_{2}}{5}

d_{2} = 33.33 cm

Distance travelled is 33.33 cm when mass is 5 kg.

8 0
3 years ago
This experiment is to see if water flows faster out of a smaller can or a larger can.
ddd [48]

Answer:rh

Explanation:fjdj

3 0
3 years ago
A flywheel of J = 50 kg-m2 initially standing still is subjected to a constant torque. If the angular velocity reaches 20 Hz in
Karolina [17]

Answer:

\tau = 1256.5\ N.m

Explanation:

given,

J = 50 kg-m²

frequency, f = 20 Hz

time ,t = 5 s

we know,

angular velocity = 2 π f

ω = 2 π x 20

ω = 125.66 rad/s

now, angular acceleration calculation

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

\alpha = \dfrac{125.66-0}{5}

   α = 25.13 rad/s²

Torque given to the flywheel.

    \tau = I \alpha

    \tau = 50\times 25.13

    \tau = 1256.5\ N.m

Torque of the given  flywheel is equal to \tau = 1256.5\ N.m

7 0
3 years ago
Question 6
sleet_krkn [62]

Answer:

B: Process #1: Energy is decreasing Process#2: Energy is increasing

6 0
3 years ago
A planet's density can be measured by combining
Lena [83]

Answer:

a. Doppler and transit observations.

Explanation:

By means of the dopler effect, the radial velocity of an extrasolar planet can be measured, this is achieved by observing Doppler shifts in the spectrum of the star around which the planet orbits. This measure, combined with the transit observations, makes possible determine the density of the planet.

5 0
3 years ago
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