Physics, 15.07.2019 21:10 jakepeavy70
Consider the system shown in fig. 6-26. the rope and pulley have negligible mass, and the pulley is frictionless. the coefficient of kinetic friction between the 8.00 kg block and the tabletop is µk= 0.42. the blocks are released from rest. use energy methods to calculate the speed of the 6.00 kg block after it has descended 3.50 m
Answers: 1
Physics, 21.06.2019 21:00, carterjpowell77
When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other
Answers: 3
Physics, 22.06.2019 11:00, kayla65u
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Consider the system shown in fig. 6-26. the rope and pulley have negligible mass, and the pulley is...
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