Physics, 13.01.2021 22:50 22emilyl530
A child wants to reach the cookies on the top shelf of the kitchen. The shelf is 1.5
m high. The cookie jar has a mass of 0.75 kg. What is the potential energy of the
cookie jar before it is taken from the shelf? Round your answer to the nearest
hundredth.
Answers: 3
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
Answers: 1
Physics, 22.06.2019 03:00
Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
Answers: 2
Physics, 22.06.2019 19:30
How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1
Answers: 3
Physics, 23.06.2019 00:30
Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
A child wants to reach the cookies on the top shelf of the kitchen. The shelf is 1.5
m high. The co...
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