Physics, 12.08.2020 06:01 chippedwood24
A machine with a mass of 30 kg is mounted on springs with an equivalent stiffness of 4.8 104 N/m. During operation, it is subject to a force of 200 sin t. Determine and plot the response of the system if the machine is at rest in equilibrium when the forcing starts and at (a)
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Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Physics, 22.06.2019 05:30
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
Answers: 1
A machine with a mass of 30 kg is mounted on springs with an equivalent stiffness of 4.8 104 N/m. Du...
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