Physics, 09.12.2020 18:20 johnisawesome999
1. You come home to find a delivered package with a mass of 100 kg blocking the door. If you push it with a force of 100N, what will its acceleration be if no friction is involved?
2. You're gliding across a frictionless lake in a sailboat. If your mass is 70kg and the boat's mass is 200kg, with what force does the wind need to blow to give you an acceleration of 0.30m/s2?
3. You have contorl of a space station, which has a mass of 400,000kg. To give it an acceleration of 2.0m/s2, what force do you need to apply with the rockets?
4. You find a stone in the forest and give it a push of 50N. It accelerates at 2.0 m/s2. What is its mass?
Answers: 1
Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
Physics, 22.06.2019 03:50
The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error
Answers: 1
Physics, 22.06.2019 06:30
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 2
1. You come home to find a delivered package with a mass of 100 kg blocking the door. If you push it...
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