A body builder is about to lift a mass of 95 kg. A - What is the weight of the mass if the gravitational field strength on Earth is 9.81 N/kg?

B - If the mass is lifted through a distance of 1.6 m, what is the work done on the mass?

C - Calculate the maximum gravitational potential energy of the weight at this height?

D - The mass is lifted through the height in 2.5 s, what is the personal power of the body builder here?

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

the answer for apex is the lowest

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.

it would be c. predictability