Physics, 26.03.2020 19:32 Savagecabbahg2925
An ice skater, standing at rest, uses her hands to push off against a wall. she exerts an average force on the wall of 120 N and the push lasts 0.8 seconds. The skater's mass is 55 kg. what is the skater's speed after she stops pushing on the wall
Answers: 3
Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
Physics, 24.06.2019 00:40
Dumbledore explains that a spectator ion is an ion which is not involved in the reaction under consideration. though snape thinks you all should know sometimes it seems snape would rather be teaching another or even be head of the anyway, which is a spectator ion involved in the reaction of k2cro4(aq) and ba(no3)2(aq)?
Answers: 1
An ice skater, standing at rest, uses her hands to push off against a wall. she exerts an average fo...
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