Final answer:
The force with which a 1kg baseball hits the ground cannot be determined without knowing the time of contact between the ball and the ground during the collision. Calculating the average force requires the time interval of the collision, along with change in momentum.
Step-by-step explanation:
To determine the force with which a 1kg baseball hits the ground after being dropped from a building, we need to consider the physics concepts of impulse and change in momentum. The force is not directly given from the height or speed alone, but it can be calculated using the time of contact during the collision and the change in velocity.
However, the question does not provide the time duration of the baseball's contact with the ground, which is a critical factor in calculating the average force exerted by the ground on the ball during the collision. Using the information from a similar scenario, where a ball of putty falls and comes to rest in a known time interval, we can infer that the average force can be calculated if the time of contact is known, by applying the formula:
F = Δ(mv) / Δt
Where Δ(mv) is the change in momentum (mass times change in velocity) and Δt is the time interval. Without this information, we cannot calculate the average force.