Physics, 10.07.2019 03:20 franstirlacci
Aprofessor drives off with his car (mass 800 kg), but forgot to take his coffee mug (mass 0.4 kg) off the roof. the coefficient of static friction between the mug and the roof is 0.7, and the coefficient of kinetic friction is 0.3. what is the maximum acceleration of the car, so the mug does not slide off?
Answers: 1
Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
Answers: 1
Physics, 23.06.2019 02:20
3. a particle with initial velocity v⃗ 0=(5.85×103m/s)j^ enters a region of uniform electric and magnetic fields. the magnetic field in the region is b⃗ =−(1.35t)k^. you can ignore the weight of the particle. a. calculate the magnitude of the electric field in the region if the particle is to pass through undeflected, for a particle of charge +0.640 nc.
Answers: 2
Physics, 23.06.2019 02:20
Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?
Answers: 2
Physics, 23.06.2019 10:00
Acar tire rotates at a constant angular velocity of 3.5 rotations during a time interval of 0.75 seconds. what is the angular speed of the tire? in advance for any !
Answers: 2
Aprofessor drives off with his car (mass 800 kg), but forgot to take his coffee mug (mass 0.4 kg) of...
English, 10.07.2019 20:30
English, 10.07.2019 20:30