A potential difference of 12 V is found to produces a current of 0.40 A in 3.2 m length of wire of radius 0.40 cm. What is the total resistance and resistivity of the wire

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

What is the final velocity of the initial velocity of 25 and -50?