**A mass m2 = 1.5 kg is initially moving with velocity vo. It collides completely inelastically with a block of mass m2 = 2.0 kg. The second block is attached to a spring with a spring constant of k = 5.6x10ʻN/m. The
block and spring lie on a frictionless horizontal surface. The spring compresses a distance of 0.20 m upon
collision
(a) What is the velocity of the mass mi and the block immediately after the collision?
(b) What is the initial velocity of the mass mi immediately before the collision?
(C) If the block were attached to a long string and hung as a pendulum, how high would the block and mass
mi rise after the collision?

car a and b are moving in opposite directions

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gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.