Popular questions and responses by Arr-chan
  1. Physics

    Find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1350N. Assume that the player’s foot is in contact with the ball for 6.20x10-3s.

    asked on May 29, 2014
  2. Physics

    A 97kg astronaut and a 1100kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.13m/s directly away from the shuttle. Seven and a half seconds later the astronaut comes into contact with the

    asked on May 27, 2014
  3. Physics

    On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball. The acceleration due to gravity on the moon is 1/6 of its value on the earth (gravity on moon -1.633m/s2). On earth, golf balls are driven at about 70 m/s with a loft angle of

    asked on April 29, 2014
  4. Physics

    A person’s arm is held with the upper arm vertical, the lower arm and hand horizontal. Find the center of mass of the arm in this configuration, given the following data. upper arm has a mass of 2.5kg and a COM 0.18m above the elbow, lower arm has a mass

    asked on May 27, 2014
  5. Physics

    A relative of yours belly flops from a height of 2.50 m (ouch!) and stops moving after descending 0.500 m underwater. Her mass is 62.5 kg. What was the magnitude of her acceleration in the pool? Assume that it is constant. How long was she in the water

    asked on May 29, 2014
  6. Physics

    A golf ball struck with an initial speed of 41.8m/s. What is the range of the shot if the launch angle is 30.0º?

    asked on April 29, 2014
  1. English - Help!!

    It is indeed A.

    posted on April 29, 2014