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Posts by Pascal

Total # Posts: 8

mechanics
A projectile is launched from the origin with a speed of 2 ms−1 at the angle of 60∘ from the horizontal. Assume that ground to be flat and plane of trajectory to be x-y plane with x-axis along horizontal. The radial and tangential components of its velocity at its ...

physics electromagnetism
Two long parallel vertical wires 0.3m apart are. ' placed east-west of one another. The current in the westerly wire is 30A and on the other 20A. The horizontal component of the earths magnetic flux density is 2*10^-5. Find the force per unit length on each wire. (The ...

Trigonometry
how do I write this in radians in radians in terms of pi

Trigonometry
Find all solutions of the equation in the interval [0,2pi). sec(theta)+2=0 Write your answer in radians in terms of pi

business math
loan made july 15, length of loan 150, date of discount november 20. how many days is the discount period

math
find the volume. round to the nearest cubic unit

Chemistry
Say: acetic acid = HA; acetate = A- The reaction: OH- + HA ? A- + H2O Calculate the amounts present for each species: • 52.1mL of 0.122 M acetic acid: 52.1mL x 0.122mol/1,000mL = 0.0063562mol acetic acid (HA) = 6.36mmoles • 46.1mL of 0.182M sodium acetate: 46.1mL x 0...

FINANCE
we have to discount the value of the future money (to compare apples to apples) and compare what is the value of 30000 in today's money : PV = present value PV(30000) = 30000 / (1+0,12)^50 PV(30000) = $103.8 As PV(30000) > $95 you'd better wait 50 years. Your age ...

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