Recent content by eng.student

what is the integral of (3x^2+3)/x^2 evaluated from 5 to 6? I've tried like 10 times and keep getting the wrong answer..Thanks.

A 2.0 kg wood block is launched up a wooden ramp that is inclined at a 30 degree angle. The block's initial speed is 10m/s. The coefficient of kinetic friction of wood on wood is .200. a. What vertical height does the block reach above its starting point b. What speed does it have when it...

A 20,000kg rocket has a rocket motor that generates 300,000N of thrust. The rockets initial upward acceleration is 5.20 m/s2. At an altitude of 5000m, the rocket's acceleration has increased to 6.0m/s2. What mass of fuel has it burned???

A 500 kg piano is being lowered into position by a crane while two people steady it with ropes pulling to the sides. Bob's rope pulls to the left, 15 degrees below horizontal, with 500 N of tension. Ellen's rope pulls toward the right, 25 degrees below horizontal. What tension must Ellen...