Physics, 04.02.2021 20:20, wwwcarolynzouowficz
A block of mass 25 kg slides up a frictionless
plane inclined at 7.7◦ with the horizontal under the influence of a force of 220 N acting parallel to the incline and up the incline. The acceleration of gravity is 9.8 m/s
What is the acceleration of the block?
Answer in units of m/s
Answers: 3
Physics, 21.06.2019 22:20, kl8774
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 06:50, tessalopezgarcia2345
Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
Answers: 3
Physics, 22.06.2019 17:40, cravens511peeelg
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
A block of mass 25 kg slides up a frictionless
plane inclined at 7.7◦ with the horizontal under the...
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