Marie lifts a 5 kg mass from the floor and puts in on a table one metre high. What is the work done?
1 answer:
Answer:
The work done was 49.05 N*m.
Explanation:
The work done by a a force is given by:
We first need to calculate the force necessary to lift the box from the ground, the force needed for is the weigh of the box, which is shown below:
Therefore the work done by lifting the box and placing it on the table is:
The work done was 49.05 N*m.
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From gas laws:
Therefore,
P1 = 1200 mm
V1 = 85 ml
T1 = 90°C = 363.15 K
P2 = 850 mm
V2 = 350 ml
T2 = ?
Substituting;
= 786.04 °C
Therefore,
P1 = 1200 mm
V1 = 85 ml
T1 = 90°C = 363.15 K
P2 = 850 mm
V2 = 350 ml
T2 = ?
Substituting;