Physics, 13.01.2021 14:00 voicelesstoxic
A 20 cannon ball is loaded into 700 cannon on wheels. After the explosion, the "muzzle" velocity of the cannon ball is 400 meters/second toward the east. What is the "recoil" velocity of cannon on wheels as it reacts in the opposite direction?
Answers: 3
Physics, 22.06.2019 06:40
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
Physics, 22.06.2019 09:00
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
Physics, 22.06.2019 14:30
70 give a real life example showing how sensory neurons work with the motor neurons
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Physics, 23.06.2019 03:00
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
A 20 cannon ball is loaded into 700 cannon on wheels. After the explosion, the "muzzle" velocity of...
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