A student attaches a rope to a 20.0 Kg box of books. He pulls with a force of 90.0 N at an angle of 30.0 o with the horizontal. The coefficient of Kinetic friction between the box and the sidewalk is 0.500. Find the acceleration of the box.

current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

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.