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2 years ago

#37, what is this answer ?

Physics

1 answer:

balu736 [363]2 years ago

6 0

Answer:

False

Explanation:

When trying to transfer from Endomorph to Mesomorph, you should try exercise (weight lifting, pull-ups, running....etc) and not eat so much carbs. Try to eat healthy foods. (Fruits, Vegetables, Natural Smoothies...etc)

Hope this Helps!

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The precision of a laboratory instrument is ± 0.05 g. The accepted value for your measurement is 7.92 g. Which measurements are

Step2247 [10]

Answer:

b)7.89 g

c) 7.91 g

d) 7.97 g

Explanation:

The accepted value for the measurement is 7.92 g, while the precision of the instrument is 0.05 g. Therefore, the interval of the accepted values will be the central value plus and minus the precision, so:

- Minimum accepted value: 7.92 g - 0.05 g = 7.87 g

- Maximum accepted value: 7.92 g + 0.05 g = 7.97 g

So, the accepted interval is

7.87 g - 7.97 g

Therefore, all the values that lie within this interval are accepted. So the accepted values are:

b)7.89 g

c) 7.91 g

d) 7.97 g

8 0

3 years ago

Which of the following changes will increase the frequency of an oscillating pendulum?

svlad2 [7]

Answer:

c. an increase in the length of the rope.

6 0

2 years ago

True or False. If your skin is wet, the body's resistance to electric shocks increases.

Svetllana [295]

Answer:

Pretty sure its false, water increases electric shock

Explanation:

4 0

3 years ago

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An object is thrown straight up into the air with an initial speed of 8 m/s, and reaches a greatest height of 15 m before it fal

Ugo [173]

Answer:

The value is $T_t = 2.5659 \ s$

Explanation:

From the we are told that

The initial speed of the object is $u = 8 \ m/s$

The greatest height it reached is $h = 15 \ m$

Generally from kinematic equation we have that

$v^2 = u^2 + 2gH$

At maximum height v = 0 m/s

$0^2 = 8^2 + 2 * - 9.8 * H$

=> $H = 3.27 \ m$

Here H is the height from the initial height to the maximum height

So the initial height is mathematically represented as

$s = h - H$

=> $s = 15 - 3.27$

=> $s = 11.73 \ m$

Generally the time taken for the object to reach maximum height is mathematically evaluated using kinematic equation as follows

$v = u + (-g) t$

At maximum height v = 0 m/s

$0 = 8 - 9.8t$

=> $t = 0.8163 \ s$

Generally the time taken for the object to move from the maximum height to the ground is mathematically using kinematic equation as follows

$h = ut_1 + \frac{1}{2} gt_1^2$

Here the initial velocity is 0 m/s given that its the velocity at maximum height

Also g is positive because we are moving in the direction of gravity

$15 = 0* t + 4.9 t^2$

=> $t_1 = 1.7496$

Generally the total time taken is mathematically represented as

$T_t = t + t_1$

=> $T_t = 0.8163 + 1.7496$

=> $T_t = 2.5659 \ s$

6 0

3 years ago

A cloud of interstellar gas is rotating. Because the gravitational force pulls the gas particles together, the cloud shrinks, an

Fynjy0 [20]

Answer:

Greater than

Explanation:

Here, angular momentum is conserved.

$l_1\omega_1 =l_2\omega_2$

When the cloud shrinks under the right conditions, a star may be formed.

Thus, Diameter of clouds are much higher than a star.

Moment of inertia of cloud is greater than the star's inertial.

so, angular velocity of the star would be greater than angular velocity of the rotating gas.

3 0

3 years ago

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