Physics, 19.03.2021 04:40 almostnevercbbc
A 60 kg that is only in contact with the baseball for a very short 0.04 seconds. If the ball is accelerated from rest to 21 m/s, how much swinging force is required. WILL GIVE BRAINLIEST PLEASE SHOW WORK 
Answers: 2
Physics, 22.06.2019 08:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 2
Physics, 22.06.2019 16:00
Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
Answers: 1
Physics, 22.06.2019 16:20
Select the correct answer. what does the process of natural selection involve?
Answers: 1
A 60 kg that is only in contact with the baseball for a very short 0.04 seconds. If the ball is acce...
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