how much power is used to move a 25 kg mass 8 meters in 15 seconds

It cannot be done without knowing the force applied horizontally, which depends on friction.

130.6

130.7

To calculate the power used to move a mass, we need to use the formula:

Power (P) = Work (W) / Time (t)

To find the work done, we need to use the formula:

Work (W) = Force (F) x Distance (d)

In this case, the force exerted is equal to the weight of the object, which can be calculated using:

Force (F) = Mass (m) x Acceleration due to gravity (g)

Given:
Mass (m) = 25 kg
Distance (d) = 8 meters
Time (t) = 15 seconds
Acceleration due to gravity (g) = 9.8 m/s^2

Step 1: Calculate the force exerted on the object:
Force (F) = Mass (m) x Acceleration due to gravity (g)
Force (F) = 25 kg x 9.8 m/s^2
Force (F) = 245 N

Step 2: Calculate the work done on the object:
Work (W) = Force (F) x Distance (d)
Work (W) = 245 N x 8 meters
Work (W) = 1960 Joules

Step 3: Calculate the power used:
Power (P) = Work (W) / Time (t)
Power (P) = 1960 J / 15 s
Power (P) = 130.66 Watts

Therefore, the power used to move a 25 kg mass 8 meters in 15 seconds is approximately 130.66 Watts.