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babunello [35]
3 years ago
14

In Concept Simulation 10.2 you can explore the concepts that are important in this problem. Astronauts on a distant planet set u

p a simple pendulum of length 1.20 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 290 s. What is the magnitude of the acceleration due to gravity on this planet
Physics
1 answer:
Bond [772]3 years ago
8 0

Answer:

5.63m/s2

Explanation:

Step 1:

Data obtained from the question.

Length (L) = 1.20 m

Time (t) =290 seconds

Number of oscillation (n) = 100

Period (T) =?

Acceleration due to gravity (g) =?

Step 2:

Determination of the period. This is illustrated below:

Period is the time taken to make one complete oscillation. It is given by:

Period (T) = time (t) / number of oscillation (n)

T = t/n

t = 290 secs

n = 100

T = t/n

T = 290/100

T = 2.9 secs

Step 3:

Determination of the acceleration due to gravity of the planet. This is illustrated below:

Applying the equation T = 2π√(L/g), the value of 'g' can be obtained as follow :

T = 2π√(L/g)

T = 2.9 secs

L = 1.20 m

g =?

T = 2π√(L/g)

2.9 = 2π√( 1.2/g)

Take the square of both side

8.41 = 4π^2 (1.2/g)

8.41 = 4.8π^2 /g

Cross multiply to express in linear form

8.41 x g = 4.8π^2

Divide both side by 8.41

g = 4.8π^2/8.41

g = 5.63m/s2

Therefore, the acceleration due to gravity of the planet is 5.63m/s2

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stiv31 [10]

Answer:

Explanation:

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2. You open the window, and a blast of icy air enters the room. The temperature drops to 17 degrees Celsius, which acts as a STIMULUS to the heating system.

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Body temperature is regulated by negative feedback. The stimulus is when the body temperature exceeds 37 degrees Celsius, the sensors are the nerve cells with endings in the skin and brain, the control is the temperature regulatory center in the brain, and the effector is the sweat glands throughout the body.

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Two children want to balance horizontally on a seesaw. The first child is sitting one meter to the left of the pivot point locat
Natali [406]

Answer:

d. 2m to the right of the pivot

Explanation:

m1 = m

m2 = 0.5m

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from principle of moment,

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The turning effect of a force is known as the moment. It is the product of the force multiplied by the perpendicular distance from the line of action of the force to the pivot or point where the object will turn.

The principle of moments states that when in

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moment is equal to the total sum of the

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