Physics, 01.07.2019 10:00 masonorourke
Aman has a power of 90 w and mass 60 kg runs up a staircase in 40 s. if each staircase is 20cm high find the number of steps? (physics grade 9- gravitation)
Answers: 1
Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
Physics, 22.06.2019 18:30
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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Physics, 23.06.2019 14:00
Shows a map of olivia's trip to a coffee shop. she gets on her bike at loomis and then rides south 0.8mi to broadway. she turns east onto broadway, rides 0.8 mi to where broadway turns, and then continues another 1.2mi to the shop.
Answers: 1
Physics, 23.06.2019 14:30
If it takes 200 joules of energy to lift a bucket of water 3 meters in 2 seconds, how much power would be required to do the same amount of work in 5 seconds?
Answers: 1
Aman has a power of 90 w and mass 60 kg runs up a staircase in 40 s. if each staircase is 20cm high...
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