Physics, 03.07.2019 22:30 smithsa10630
Auniform board with a mass of 20 kg and the length of 1 m rests on two supports. support 1 is 20 cm from the left end and support 2 is 60 cm from the left end. an object is placed on the right end of the board. answer the following: a) what minimum mass must the object have in order to just begin to lift the board off the first support?
b) if the mass in a) is doubled, what is the net torque about an axis directly above the second support (in the middle of the board)?
Answers: 2
Physics, 22.06.2019 05:30, robert7248
What do you think car designers do if the damage caused by a crash test is too severe?
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Physics, 22.06.2019 11:50, brendaesme
Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.
Answers: 2
Auniform board with a mass of 20 kg and the length of 1 m rests on two supports. support 1 is 20 cm...