Holly

Questions

Newest questions posted by Holly
  1. Vectors

    How much work is done by the orderly pushing a 85 kg person up a 5 m ramp inclined at an angle of 15° to the horizontal? I did W = (85)(9.8)(5)cos15, but to get the correct answer you are supposed to use (85)(9.8)(5)sin15 instead. Why do we have to use
  2. physics

    A box weighing 890N is pulled along a horizontal surface by means of a string which is at 30o above the horizontal. If the coefficient of kinetic friction is 0.2 and the box is accelerated at 0.8 m/s2, what is the tension in the string
  3. Math

    Find the values of the variables. [-12 -w^2] = [2k -81 2f 3 -14 3 Please help me. I don't know how to do this at all, and can you show your work so I can understand better. Thanks
  4. science

    how does a grassland follow conservation of mass
  5. Maths

    There are 40 children on a bus, there are 12 more boys than girls, how many girls are there on the bus?

Responses

Newest responses posted by Holly
  1. Genetics

    there is not enough information to make a prediction
  2. Pre-Algebra

    Yes the the team would need to win 2 games for a total of 8 wins
  3. Pre-Calculus

    9 8
  4. social studies

    LoCo10 that was unnecessary, get a life
  5. computer literacy

    The size of a font used