If you need to drive from dallas, texas, to salt lake city, utah, (about 1500 miles), and the speed limit is 60 miles per hour most of the way, what is the least amount of time you will need? a. 4 hours b. 25 hours c. 2.5 hours d. 90,000 hours

Assuming (for the least amount of time) that it is 60mph all the way through. Divide the two numbers

1500/60 = 25

B. 25 hours is your answer

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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.