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A particle of mass m is shot with an initial velocity vi making an angle θ with the horizontal as shown in Figure P11.17. The particle moves in the gravitational field of the Earth. Find the angular momentum of the particle about the origin when the particle is (a) at the origin, (b) at the highest point of its trajectory, and (c) just before it hits the ground. (d) What torque causes its angular momentum to change?
A 1.0-μF capacitor and a 2.0-μF capacitor are connected together, and then that combination is connected across a 3.0-V potential source (a battery). What is the potential difference across the 2.0μF capacitor if the capacitors are connected (a) i..
These droplets are then repelled by the paint sprayer toward the object to be painted. This object is grounded and therefore the electric potential is taken to be zero everywhere on the object. What charge must a 0.700 mg drop of paint have to ar..
A 650 kg elevator starts from rest. It moves upward for 3.50 s with stable acceleration until it reaches its cruising speed 1.75 m/s. Calculate average power of elevator motor during this period
A pendulum clock can be approximated as a simple pendulum of length 1.08 m and keeps accurate time at a location where g = 9.82 m/s2. what must be the new length of the pendulum
the 2.0 cm diameter coil has 25 turns and has a current flowing through it of 5 A. The magnetic field strength is .4 T. What is the emf due to the change in flux
Each of the lettered dots a-d shown in the figure represents a +1.0x10-5-C charged particle moving at speed 2.0x107m/s. A uniform 0.50-T magnetic field points in the positive z-direction. Determine the magnitude of the magnetic force that the field ..
You want to design a spy satellite to photograph license plate number. Assuming it is necessary to resolve points separated by 5 cm with 550-nm light, and that the satellite orbits at a height of 130 km, what minimum lens aperture (diameter) is requi..
Two concentric circles of light emit light whose wavelength is 530 nanometers. Obtain what is the maximum distance at which the camera can distinguish one circle from the other
An arrow is fired with a speed of 20.0 m/s at a block of Styrofoam resting on a smooth surface. Determine how far into the block does the arrow penetrate
A 120 kg scaffold is 6.6 meters long. It is hanging with two wires, one from each end. A 540 kg box sits 1 meter from the left end. What is the tension in the right hand side wire?
you drive on interstate 10 from san antonio to houston half the time at 58 kmh and the other half at 99 kmh. on the way
The box is cubical, measuring 0.390 m on a side, and the thickness of the walls is 3.00 10-2 m. In one day, 2.90 106 J of heat is conducted through the six walls. Find out the thermal conductivity of the box.
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