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Jafreen has helped students
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Jafreen
Jafreen joined Socratic 2 years ago. Jafreen hasn't written a biography yet.
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@jafreen
Jafreen
commented
Can u explain how did you think perpendicular means 90 degrees?
on
If IA+BI = IA-BI, find the angle between the vector A and B and show that the two vectos are perpendicular to each other. How to answer this question?
1 year ago
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@jafreen
Jafreen
commented
Can u explain why A and B is not equal to 0?
on
If IA+BI = IA-BI, find the angle between the vector A and B and show that the two vectos are perpendicular to each other. How to answer this question?
1 year ago
·
Like
Cesareo R. liked this.
@jafreen
Jafreen
asked the question
The velocity of a sailing boat in favor of the current in a river is 18km/hr and against the current, it is 6km/hr.In which direction the boat is to be driven in order to reach the other side of the river and what will be the velocity of the boat?
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1 year ago
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@jafreen
Jafreen
asked the question
If IA+BI = IA-BI, find the angle between the vector A and B and show that the two vectos are perpendicular to each other. How to answer this question?
.
1 year ago
·
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@jafreen
Jafreen
asked the question
Ucos 0 + vcos0=0 therefore, cos= -u/v= -1/2= cos 120 How?
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1 year ago
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@jafreen
Jafreen
asked the question
What amount of energy will be released if a mass of 1 a.m.u is completely converted into energy?
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1 year ago
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@jafreen
Jafreen
asked the question
Tarzan, who weighs 688N,swings from a cliff at the end of a vine 18m long.From the top of the cliff to the bottom of the swing,he descends by 3.2m and the force shouldnt exceed 95N.If it does, what is the greatest force during the swing on it?
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2 years ago
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@jafreen
Jafreen
asked the question
Tarzan who weighs 688N,swings from a cliff at the end of a vine 18m long . From the top of the cliff to the bottom of the swing, he descends by 3.2m and should not exceed 950N. If the vine breaks,what is the greatest force on it during the swing?
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2 years ago
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@jafreen
Jafreen
asked the question
Only two horizontal forces act on a 3.0kg body that can move over a frictionless floor.One force is 9.0N,acting due to east and the other is 8.0, acting 62 degree of west. What is the magnitude of the body's acceleration?
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2 years ago
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@jafreen
Jafreen
asked the question
A plane diving with constant speed at an angle of 53.0 with the vertical,release a projectile at an altitude of 730m. The projectile hits the ground hits the ground 5.00s after release.How far does the projectile travel horizontally during its flight?
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2 years ago
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