# 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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