Example: A net force of 50 newtons is applied to a 20-kilogram cart that is already moving at 1 meter per second. The final
speed of the cart was 3 meters per second. For how long was the force applied?
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i would say the answer is food.

hope this !

lol

explanation:

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.

snell's law

refractve index = sin incidence / sin refraction