An 8-kg block slides 150mm from rest down the 25-degree plane. The spring has a value of k = 1800N/m. The coefficient of friction is 0.20.

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QUESTION 1
An 8-kg block slides 150mm from rest down the 25-degree plane. The spring has a value of k = 1800N/m. The coefficient of friction is 0.20.
8 kg
150 mm
25°
k
Transcribed Image Text:QUESTION 1 An 8-kg block slides 150mm from rest down the 25-degree plane. The spring has a value of k = 1800N/m. The coefficient of friction is 0.20. 8 kg 150 mm 25° k
For question 1:
Which of the following gives the nearest value for the frictional force?
O 12 N
14 N
10 N
16 N
QUESTION 2
Which of the following gives the nearest value for the acceleration at initial condition, in m/s²?
O 2.4
3.2
2.8
O 2.0
QUESTION 3
Which of the following gives the nearest value for the velocity (in m/s) when the block is in contact with the spring for the first time?
O 1.0
O 0.8
1.4
O 1.2
Transcribed Image Text:For question 1: Which of the following gives the nearest value for the frictional force? O 12 N 14 N 10 N 16 N QUESTION 2 Which of the following gives the nearest value for the acceleration at initial condition, in m/s²? O 2.4 3.2 2.8 O 2.0 QUESTION 3 Which of the following gives the nearest value for the velocity (in m/s) when the block is in contact with the spring for the first time? O 1.0 O 0.8 1.4 O 1.2
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