Physics, 26.10.2020 02:40 jbearallen9557
Select which of the following statements has the same meaning as the below statements, but which is stated as a categorical statement:
There are scissors in the drawer.
a.
Some scissors are in drawers
b.
All scissors are in drawers
c.
No scissors are in drawers
d.
If there are scissors, then they are in the drawer
Answers: 1
Physics, 21.06.2019 13:30
An astronomer at the equator measures the doppler shift of sunlight at sunset. from this, she calculates that earth’s tangential velocity at the equator is 465 m/s. the centripetal acceleration at the equator is 3.41 ï‚´ 10 ï€2 m/s 2 . use this data to calculate earth’s radius.
Answers: 3
Physics, 21.06.2019 17:10
An object is moving east, and it’s velocity changes from 65m/s to 25m/s in 10 seconds. which describes the acceleration?
Answers: 1
Physics, 21.06.2019 19:30
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
Answers: 2
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