Physics, 30.10.2019 03:31, levenmartin6p3znbg
Asystem consists of three particles with these masses and velocities: mass 3.00 kg, moving north at 3.00 m/s; mass 4.00 kg, moving south at 3.70 m/s; and mass 7.00 kg, moving north at 2.00 m/s. what is the total momentum of the system? take north as the positive axis. enter a positive answer if the total momentum is due north and a negative answer if the total momentum is due south.
Answers: 2
Physics, 22.06.2019 04:30, cicimarie2018
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
Physics, 22.06.2019 07:30, bell777
30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
Answers: 1
Physics, 22.06.2019 18:30, hannahkharel2
Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s
Answers: 1
Asystem consists of three particles with these masses and velocities: mass 3.00 kg, moving north at...
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