Answer:
1895
Explanation: it was invented in 1895 by Clara Berra a physical education instructor at Sophie Newcomb College.
I think the correct answer from the choices listed above is the first option. An electromagnet is a temporary magnet because the magnet is only present when a current is present. <span>The </span>magnetic<span> field disappears when the </span>current<span> is </span>turned off<span>. Hope this answers the question. Have a nice day.</span>
Answer:
d. The hammer falls with a constant acceleration
Explanation:
Since gravity is the only thing that is acting on the hammer as it falls and gravity is a form of acceleration then acceleration of 9.81m/s² which is gravity is the correct answer.