3
An archer defending a castle is on an
15.5 m high wall. He shoots an arrow
strai...
Physics, 31.05.2020 03:00 thicklooney
3
An archer defending a castle is on an
15.5 m high wall. He shoots an arrow
straight down at 22.8 m/s. How much
time does it take to reach the ground?
(Unit = s)
Watch your minus signs!
Answers: 1
Physics, 22.06.2019 08:30
Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2
Answers: 3
Physics, 22.06.2019 08:40
The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.
Answers: 2
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Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
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Which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high-energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.
Answers: 1
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Mathematics, 26.02.2020 01:31
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