A2 kg metal meter stick is pivoted at 30 cm mark and a mass m is hanging at 15 cm. find m if the net torque tnet is -2n. m 1.6 nom -2.45 kg a. 3.92 kg 6.37 kg b. c. -1.47 kg d. 1.47 kg e.

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?

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u