Physics, 30.12.2019 22:31 makaylahunt
A2.00 meter long horizontal plank whose mass is 3.00 kg is placed so that the very end (the right end) rests on a retaining wall. the left end is put on the tailgate of the truck.
however the tailgate is tilted a bit, so it only contacts the board at a point 25.0 cm from the end. a 2.50 kg sledge hammer is placed 0.500 meters from the retaining wall.
a)find the force acting on the board by the tailgate.
b)find the force acting on the board by the retaining wall.
Answers: 2
Physics, 21.06.2019 21:00
To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit
Answers: 3
Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
Answers: 2
Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
Answers: 1
A2.00 meter long horizontal plank whose mass is 3.00 kg is placed so that the very end (the right en...
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