physics

a body is released from a height and falls freely towards the earth. exactly one sec later another body is released.what is the distance between the two bodies 2sec after the release of the second body. if g=9.8m/s^2.

  1. 👍 0
  2. 👎 0
  3. 👁 300
  1. hf1 is the final height of first
    hf2 is the final height of second.

    so,the question is

    hf1-hf2=ho1-4.9t^2-ho2+4.9(t-1)^2

    t=2; ho1=ho2

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Astronomy

    A roughly spherical asteroid with a diameter of 1 km, and a mean density of 4 g/cm^3, hits the Earth with a relative speed 1.5 times the orbital velocity of the Earth. Compute the amount of energy released upon the impact. Compare

  2. science

    A body freely falling from a height h describes 11h/36 in the last second of its fall. Find the height h?

  3. Physics

    A mass m1 = 3.3 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.4 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.87

  4. physics

    the radius of earth is 6000km what will be the weight of a 120 kg body if it is taken to a height of 2000km above the surface of earth?

  1. Physics

    An object falls freely from a height of 25m onto a roof of a building 5m high. Calculate the velocity with which the object strikes the roof

  2. caculus

    a kite at a height of 60 ft is moving horizontally at a rate of 5 ft/sec away from the boy who flies it. how fast is the cord being released when 100 ft are out?

  3. Math

    a light shines from the top of a pole 50ft high. a ball is dropped from the same height from a point 30 ft away from the light. how fast is the ball's shadow moving along the ground 1/2 sec later? (assume the ball falls at a

  4. Physics

    A body of mass 100kg is released from a height of 200m .with what energy does the body strikes the ground (take g=10m/s)

  1. math

    A body is thrown vertically upward from the ground with an initial velocity of 96 ft/sec. Find the maximum height attain by the body

  2. physics

    a body of mass 5kg falls from a height of 10m above the ground. what is the kinetic energy of the body just before it strikes the ground answers K.E =1/2mg'2

  3. Science

    The weight of a body on the surface of the earth is 392N .What will be the weight of this body on a planet whose mass is double that of the earth and radius is four times that of the earth

  4. Physics

    A body of mass 2kg falls freely from rest through a height of 50m and comes to rest having penetrated 5.0cm of sand. Calculate. (I) The velocity with which the ball hits the sand. (II) The time taken in falling. (III) The average

You can view more similar questions or ask a new question.