Physics, 12.03.2021 17:20 myzirajackson39
both of theoretical mass 50 kg, are ice skating and approach each other along parallel paths separated by 3.0 m. We have opposite velocities of 1.4 m/sec each. Will carries one end of a long pole of negligible mass and I grab the other end as I pass. Assume that the friction between skates and ice is negligible. What are (a) the radius of the circle? (b) our angular speed? And (c) the kinetic energy of our two-skater system? Next, we pull along the pole until we are separated by 1.0 m. What are (d) our angular speed and (e) kinetic energy of the system? (f) What provided the energy for our increased kinetic energy?
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Physics, 22.06.2019 02:00
Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.
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Physics, 22.06.2019 23:30
Which system of units is used by only a small number of countries in the world, including the u.s.
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both of theoretical mass 50 kg, are ice skating and approach each other along parallel paths separat...
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