An ice skater at rest on ice catches a dance partner moving 2.5m/s during a performance. the ice skater has a mass of 68kg and the dance partner has a mass of 54kg. what is the speed of the ice skater and dance partner after the collision ?
1.1 m/s
1.4 m/s
2.3 m/s
2.0 m/s
Answers: 3
Physics, 22.06.2019 05:00, hihihi129473838
Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
Answers: 3
Physics, 22.06.2019 07:40, CoolRahim9090
An object's buoyant force and weight mean the same thing. a. trueb. false
Answers: 2
Physics, 22.06.2019 14:40, viktoria1198zz
14. a body is projected with velocity vi from a. at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is
Answers: 1
An ice skater at rest on ice catches a dance partner moving 2.5m/s during a performance. the ice ska...
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