Happinessdelight

Popular questions and responses by Happinessdelight
  1. PHYSICS!

    Find the gauge pressure in pascals in a soap bubble 0.04 m in diameter. The surface tension is 25.0 x 10^4 Pa.

    asked on June 3, 2017
  2. Physics

    A wheel mounted on a stationary axle starts at rest and is given the following angular acceleration: 9-12t where t is the time after the wheel begins to rotate. Find the number of revolutions that the wheel turns before it stops ( and begins to turn in the

    asked on March 27, 2017
  3. PHYSICS!

    The piston of hydraulic automobile lift is 0.30 m in diameter. Calculate the gauge pressure required to lift a car with a mass 1000 kg in, A) Pascals B) Atm

    asked on June 3, 2017
  4. PHYSICS!

    At a certain point in a pipeline the water's speed is 4.00 m/s and the gauge pressure is 5.00 x 10^4 Pa. Find the gauge pressure at a second point in the line, 12.0 m lower than the first, if the cross-section area at the second point is twice that at the

    asked on June 3, 2017
  5. PHYSICS!

    An ore sample weighs 15.00 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 9.00 N. Find the total volume and the density of the sample.

    asked on June 3, 2017
  6. PHYSICS

    A 5 kg block rests on a frictionless horizontal surface. A cord attached to the block passes over the pulley whose diameter is 0.120 m to the hanging block of mass 5 kg. The system is released from rest and the blocks are observed to move 3m in 2.0 s. A.

    asked on May 17, 2017
  7. PHYSICS

    A string is wrapped around the rim of a flywheel 0.400 m in radius, and a steady pull of 50.0 N is exerted on the cord. The wheel is mounted in frictionless bearings on a horizontal shaft through it's center. The moment of inertia of the wheel is 4.00

    asked on May 17, 2017
  8. Physics

    3 particles of masses m1 = 1.5 kg , m2 = 2.5 kg and m3 = 3.5 kg form an equilateral triangle of edge length l= 135 cm. Determine the center of mass of the system.

    asked on March 28, 2017
  9. Physics

    Max has a mass of 65 kg and sits in a canoe that has a mass of 55 kg. He jumps with a horizontal velocity of 2m/s towards the shore. What is the velocity of the canoe?

    asked on March 27, 2017
  10. Physics

    A 0.250 kg ball swung on a 1.3 m string in a vertical circle. If it's tangential speed at the bottom of the path is 4.2 m/s, what is the maximum speed the ball can have at the top and still move in a circle?

    asked on March 27, 2017
  11. Math

    For the equation 3^x - 3^-x = 1 solve for x by writing your final answer in logarithmic form.

    asked on March 27, 2017
  12. Math

    A rocket is launched vertically into the air and is observed from a tower that is 1.5 km above the ground level. Soon after the launch the rocket is at an angle of 25 degrees. Later the rocket has climbed vertically a further 4 km and its angle of

    asked on March 27, 2017