Physics, 24.12.2019 05:31 stalley1521
Ablock with mass m1 of 2.85 kg moves along an inclined plane that makes an angle of 40.0 degrees with the horizontal, and is connected by a string that passes over a pulley to a second block that has a mass m2 of 4.75 kg. both blocks are composed of the same material. the string and pulley have negligible mass and the pulley exerts no friction force on the string. the coefficient of kinetic friction between the plane and the block is 0.55. determine the magnitude and direction of the acceleration.
Answers: 2
Physics, 21.06.2019 15:20
Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?
Answers: 2
Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 10:00
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
Physics, 22.06.2019 18:30
A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?
Answers: 3
Ablock with mass m1 of 2.85 kg moves along an inclined plane that makes an angle of 40.0 degrees wit...
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