There are two ways to solve this problem. First we write the given.
Given: Force F = 400 N; Height h = 0.5 m; Time t = 2 s
Formula: P = W/t; but Work W = Force x distance or W = f x d
Weight is also a Force, therefore: W = mg, solve for Mass m = ?
m = w/g m = 400 N/9.8 m/s² m = 40.82 Kg
P = W/t = F x d/t = mgh/t P = (40.82 Kg)(9.8 m/s²)/2 s
P = 100 J/s or 100 Watts
Answer:
D
Explanation:
None of the above because the intensity is amount of a property, force, brightness, and magnetic field.
Answer:
Last option: position, acceleration, velocity
Explanation:
Motion maps are generally used in Kinematics to visualize the object's position (normally with pictures of the object) at different times, and its state of motion with vectors indicating its velocity and its acceleration at those times.
Use the formula
E=h.lambda
