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Q. A piston, A, has a diameter of 0.74cm. A second piston, B, has a diameter of 2.6 cm. In the absence of friction, determine the force, F, essential to support the 539.7 N weights. Answer in units of N.
Q. The pilot of an airplane travelling 200 wants to drop supplies to flood victims isolated on a patch of land 170 below. The supplies should be dropped how many seconds before plane is directly overhead?
A single slit has a width of 2.1x10^(-6)m and is used to form the diffraction pattern. Find out the angle that locates the second second dark fringe when the wavelength of the light is 430 nm.
Three deer, A, B, and C, are grazing in a field. Deer B is located 64.4 m from deer A at an angle of 53.8 ° north of west. Deer C is located 76.2 ° north of east relative to deer A. The distance between deer B and C is 96.8 m. What is the distance be..
Using the capacitance determined in part (a), calculate the current in the circuit 7.4 ms after the switch is closed. Suppose that the capacitor is uncharged initially and that the emf of the battery is 9.0 V
Suppose the second distance d were traveled in the opposite direction; you forgot something and had to return home at the same constant speed as found in part (a). What is the average velocity for this trip.
To demonstrate the tremendous acceleration of a top fuel drag racer, you attempt to run your car into the back of a dragster that is "burning out" at red light before the start of a race. (Burning out means spinning the tires at high speed to heat..
A state highway patrol car radar unit uses a frequency of 9 x 10^9. what frequency difference will the unit detect from a car receding at a speed of 46.5 m/s from stationary patrol car.
The alpha line in the Balmer series of the hydrogen spectrum consists of light having a wavelength of 6.56 ×10-7 meter. Compute the frequency of this light.
What law of physics would be violated
Calculate the magnitude of B when the force on wire. The time constant of an RC circuit is 5.5 s. How much time t is required for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
During spin-dry cycle of a washing machine, the motor slows from 90 rad/s to 30 rad/s while the turning the drum through an angle of 180 radians. What is the magnitude of the angular acceleration of the motor.
What are the rocket's horizontal range, greatest height, and total time of flight. The magnitude of the torque of this force on the door with respect to the hinge is most nearly .
Calculate the centripetal force on the motorcycle.
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