QUESTION 8 A 10 kg mass swinging on a 1meter long string makes an angle of 30 degrees with respect to the horizontal With T the tension in the string, which is a possible equation of motion in the horizontal (x-direction)? O 1ov/lum)- Tsin(30) O 1ov/am)-Tcos(30) O 1ov/amicos(30)-Tsin(go) O 10v/lamisin(30)-Tcos(30) O 1ov/ami-Ttanigo) O NOTA
QUESTION 8 A 10 kg mass swinging on a 1meter long string makes an angle of 30 degrees with respect to the horizontal With T the tension in the string, which is a possible equation of motion in the horizontal (x-direction)? O 1ov/lum)- Tsin(30) O 1ov/am)-Tcos(30) O 1ov/amicos(30)-Tsin(go) O 10v/lamisin(30)-Tcos(30) O 1ov/ami-Ttanigo) O NOTA
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answer Q 8
Transcribed Image Text:Given the force diagram shown (assume drawn to scale), if the car is moving at it's maximum velocity without slipping, the coefficient of kinetic friction is approximately
mg
FN
300
30°
O 0.02
O 03
O 0.6
O 09
O cannot estimate without knowing either the mass of the car or the radius of the track
cannot estimate without knowing both the mass of the car and the radius of the track
QUESTION 8
A 10 kg mass swinging on a 1 meter long string makes an angle of 30 degrees with respect to the horizontal With T the tension in the string, which is a possible equation of motion in the horizontal (x-direction)?
O 10v/am)-Tsin(30)
O 10v/(1m)-Tcos(30)
O 10v/1micos(30)-Tsin(30)
O 1ov/(im)sin(30)-Tcos(30)
O 1ov/(am)-Ttan(30)
O NOTA
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