HELP ME!!!!!!

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  1. Physics

    At the centre of a circular ice rink, a 87.0 kg ice skater moving 2.10 m/s north hits and grabs onto a 51.0 kg ice skater who had been traveling west at 5.35 m/s. If the skaters hold onto each other and the rink has a 26.0 m diameter, what is the amount of

    asked on November 14, 2016
  2. Physics

    A 3.70 kg bird is flying past a tree that has a 4.70 kg chipmunk in it. The chipmunk decides to jump on the bird so he can fly too. As the bird is flying past the tree, the chipmunk leaps off at 8.00 m/s in the same direction the bird is flying and lands

    asked on November 14, 2016
  3. physics

    For shooting practice a person uses a pellet gun and an empty pop can. The pop can rests on a flat surface that has a coefficient of kinetic friction 0.500. The pellet has a mass of 0.140 kg and the pop can has a mass of 0.470 kg. After the pellet is fired

    asked on November 14, 2016
  4. Biology

    Which of the following best describes the genotypes of the offspring when Mendel crossed true-breeding (pure-breeding) yellow seed plants with true-breeding green seed plants? A) The offspring had a combination of yellow and green seeds. B) The offspring

    asked on November 12, 2016
  5. Physics

    a 294 kg crate is released from rest and hits the ground 1.18 m below after 4.10 s. What is the mass of the crate to the left of the pulley? Assume the rope and pulley are massless.

    asked on November 7, 2016
  6. Chemistry

    Calculate the molarity of an HCI solution, if 20.0 mL of it were neutralized by 10.0 mL of 2.00 M solution of NaOH.

    asked on May 6, 2014