Physics, 17.04.2020 00:50 sotoamerica0814
A(n) 7.6 g object moving to the right at 20 cm/s makes an elastic head-on collision with a 23 g object moving in the opposite direction at 45 cm/is. 7.6 g 20 cm/s 23 g 45 cm/s Find the velocity of the first object immediately after the collision. Answer in units of cm/s.
Answers: 2
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 18:30
A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?
Answers: 3
A(n) 7.6 g object moving to the right at 20 cm/s makes an elastic head-on collision with a 23 g obje...
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