If you seal a container of air at room temperature (20 °C) and then put it in the refrigerator (2 °C), how much will thepressure of the air in the container change? (Remember to convert to Kelvin! Use a ratio so you can simplify...) 1-2b.When you ride a bicycle, your foot pushes down on a pedal that's 17.5 cm (0.175 m) from the axis of rotation. Your forceproduces a torque on the crank attached to the pedal. Suppose that you weigh 700 N. If you put all your weight on thepedal while it's directly in front of the crank's axis of rotation, what torque do you exert on the crank? (This is really easy-you should get an answer of 122.5 N-m.)

Answered: If you seal a container of air at room…

Similar questions

The turntable of an old record player has two readings: 33 rpm and 45 rpm. Suppose that the rotational acceleration is constant in each of the following cases. When the player is turned on and rotating at 33 rpm, it is turned off and slows and stops in 55 s . Determine the magnitude of the rotational acceleration of the turntable. When the player is turned off and you push the play button, the turntable attains a speed of 33 rpm in 13 s . Determine the magnitude of the rotational acceleration of the turntable.
You have a grindstone (a disk) that is 77.0 kg, has a 0.400-m radius, and is turning at 89.0 rpm, and you press a steel axe against it with a radial force of 16.0 N. (a)Assuming the kinetic coefficient of friction between steel and stone is 0.50, calculate the angular acceleration (in rad/s2) of the grindstone. (Indicate the direction with the sign of your answer.) rad/s2 (b)How many turns (in rev) will the stone make before coming to rest? rev
A wrench 0.8 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of (0,-1,-3) at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 newton-meters of torque to the bolt. Force: newtons
Can you show me how to solve this?
To study torque experimentally, you apply a force to a beam. One end of the beam is attached to a pivot that allows the beam to rotate freely. The pivot is taken as the origin or your coordinate system. You apply a force of F = Fx i + Fy j + Fz k at a point r = rx i + ry j + rz k on the beam. Part a) Calculate the magnitude of the torque, in newton meters, when the components of the position and force vectors have the values rx = 3.71 m, ry = 0.075 m, rz = 0.085 m, Fx = 1.2 N, Fy = -7.6 N, Fz = 1.2 N. Part b) If the moment of inertia of the beam with respect to the pivot is I = 72 kg˙m^2, calculate the magnitude of the angular acceleration of the beam about the pivot, in radians per second squared.
A rock tied to the end of string swings at a constant angular rate. If you are told that the string can support a total of 85 N of force before breaking, what is the maximum angular velocity the rock can rotate if the rock has a mass of 0.16 kg, and the length of the string is 0.5 m? Give your answer in units of radian per second
A model airplane with mass 0.749 kg is tethered to the ground by a wire so that it flies in a horizontal circle 30.0 m in radius. The airplane engine provides a net thrust of 0.807 N perpendicular to the tethering wire. (a) Find the magnitude of the torque the net thrust produces about the center of the circle. N. m (b) Find the magnitude of the angular acceleration of the airplane. rad/s2 (c) Find the magnitude of the translational acceleration of the airplane tangent to its flight path. m/s2
Calculate the rotational inertia of a wheel that has a kinetic energy of 33.2 kJ when rotating at 923 rev/min. Number Units Use correct number of significant digits; the tolerance is +/-2%
If you hold your arm outstretched with your palm upward, the force to keep your arm from falling comes from your deltoid muscle. Assume that the arm with hand has mass 4.25 kg and the distances and angles shown. What is the magnitude of the torque must the deltoid muscle provide to keep the arm in this position, in N·m? Use g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
A string holds and wraps around a solid cylinder (7-kg and R = 3-m). A person pulls the string vertically upward, so the cylinder’s center of gravity does not move and is suspended in midair for 3 second. Note that the rotational inertia of the cylinder about its axis is MR2/2, the tension in the string is 3-N. what is the net force on the cylinder in Newton?
PLEASE SEND THE ANSWER IN 10 MINUTES !!! Find the magnitude of the net torque on the wheel in Figure below about the axle through O, taking a=13cm, b=41cm. The magnitude of the applied forces are F1=11N, F2=20N, and F3=11N. Provide your answer in units of m⋅N and round off your answer to 2 decimal places.
A disc is rolling on the ground and moving at 30 m/s as a result of its rolling. The disc stops in 20 s after an external force acts on it. How many turns will it make before it stops? Also find the amount of torque that was applied on the disc that stopped it from rolling. The mass of the disc is 50 kg. R = 40 cm V = 30 m/s