The parking brake on a 1000 kg Cadillac has failed, and it is rolling slowly, at 1 mph , toward a group of small children. Seeing the situation, you realize you have just enough time to drive your 2000 kg Volkswagen head-on into the Cadillac and save the children. With what speed should you impact the Cadillac to bring it to a halt?
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Physics, 21.06.2019 15:40, aroman4511
Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m
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Physics, 21.06.2019 16:20, kwoolfe59006
Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems
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Physics, 22.06.2019 19:30, paulstanley972
Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
Answers: 1
The parking brake on a 1000 kg Cadillac has failed, and it is rolling slowly, at 1 mph , toward a gr...
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