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labwork [276]
3 years ago
11

What are precautions in a simple pendulum experiment ​

Physics
1 answer:
monitta3 years ago
6 0

Explanation:

1. draught

2. Parallax error

3. angle if displacement

4. air resistance or any form of obstruction

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Joy uses 20n of force to shovel the snow 10 meters. how much work does she do?
GarryVolchara [31]
Work = Force * distance

Work = 20 N * 10 m = 200 Nm

Work = 200 Joules.
7 0
3 years ago
Why is a human powered generator better than the sun (solar cells)?
zheka24 [161]

Answer:

we can not use the suns energy too effectively in power cells and with human power we can generate more energy

6 0
3 years ago
A bionic man running at 6.5 m/sec , east is acceleration at a uniform rate of 1.5 m/sec^2 east over a displacement of 100.0 m ea
tangare [24]
Given:
u = 6.5 m/s, initial velocity 
a = 1.5 m/s², acceleration
s = 100.0 m, displacement

Let v =  the velocity attained after the 100 m displacement.
Use the formula
v² = u² + 2as
v² = (6.5 m/s)² + 2*(1.5 m/s²)*(100 m) = 342.25 (m/s)²
v = 18.5 m/s

Answer: 18.5 m/s
5 0
3 years ago
A circuit supplied with 110V carries 5 Amps current. Calculate the Resistance value of the circuit?
IgorC [24]

Answer:

The value is R =  22 \  \Omega

Explanation:

From the question we are told that

     The voltage is  V  =  110 \  V

    The current is  I  =  5 \  A

Generally the resistance value is mathematically represented as

         R =  \frac{V}{I}

=>      R =  \frac{110}{5}

=>      R =  22 \  \Omega

6 0
3 years ago
What is the acceleration of an object that has a mass of 10kg and is pushed with a force of 50n
worty [1.4K]

Answer:

5m/s/s

Explanation:

force = mass x acceleration

50 = 10a

a=5m/s/s

7 0
2 years ago
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