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Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it does not rotate, but it contains gears to count the number of wheel revolutions' it then calculates the distance traveled. If the wheel has a 1.01 m diameter and goes through 290,000 rotations, how many kilometers should the odometer read?
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. determine the recoil velocity
you perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 621 m/s. What is the horizontal distance between the end of the rifle and the bull's-eye
a particle moves in the xy plane with constant acceleration. at time zero the particle is at x 7.0 m y 7.0 m and has
to make ice a freezer that is a reverse carnot engine extracts 45 kj as heat at -14degc during each cycle with
Solve simple one-dimensional motion problems involving the concepts of constant velocity and constant acceleration
Explain how horizontal motioncan be uniform while vertical motion is accelerated.How will projectile motion be affected when dragdue to air resistance is taken into consideration?
Consider the circuit shown with C1=5 microfarads C2=3 microfarads, and V0=10V. The switch S is originally closed downward so that the capacitor C2 is fully charged by the battery V0. a. find the charge C2 b. The switch is then moved to the upper posi..
In the overhead view of the figure, a 425 g ball with a speed v of 8.0 m/s strikes a wall at an angle of 30 A hat degree and then rebounds with the same speed and angle. It is in contact with the wall for 12.5ms. What is the impulse on the ball (t..
Two parallel plates are connected to a 40 V battery. The distance among the two plates is 24 cm. What is the magnitude of the electric field among the two plates?
A bullet of mass m = 28 g is fired into a wooden block of mass M = 4.1 kg as shown in the figure below. The block is attached to a string of length 1.5 m. what was the initial speed of the bullet
what is the entropy change during the free expansion of 1.70 moles of an ideal gas from an intial volume of 1.60 liters into an evacuated volume of 1.90 additional liters
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