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Two vectors act upon a body at an angle of 45 degrees between them. Vector A has a magnitude of 100.0 and vector B has a magnitude of 200.0. Draw an XY coordinate system. What are the x and y components of the resultant vector? What is the magnitude of the resultant, and it's directions angle with respect to the A vector?
(Hint: Put one of the vectors along the + x-axis)
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest, What is the angular speed of the wheel just after the bullet leaves it
a bathysphere used for deep-sea exploration has a radius of 1.51 m and a mass of 1.22 104 kg. to dive this submarine
A 0.2 kg hoop (I=0.06 kg-m 2) rolls down the street without slipping by an angular velocity of 15 rad/s. It then hits a puddle of water in the road (treat the water-disk surface contact as a μ = 0.25). Decide how far it rolls until it stops.
For a Nd:YAG laser there are four pump levels located at 1.00 eV, 1.24 eV, 2.40 eV, and 2.54 eV. What is shortest possible pump wavelength (in nanometers) that could be used to populate any of the excited energy levels
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. If during the oscillation the velocity is 12.0 cm/s when the displacement is 4.00 cm, then what is the maximum velocity of the simple harmonic motion?
A nuclear power plant has a reactor that produces heat at the rate of870MW. This heat is used to produce260MW of mechanical power to drive an electricalgenerator. What is the thermal efficiency of the plant
A 6.0-kg object oscillates on a spring with a force constant of 160 N/m. The damping coefficient is 0.20 kg/s. If the driving frequency is varied, at what frequency will resonance occur
A 3.1-cm-tall object is 47 cm in front of a converging lens that has a 11.8 cm focal length. Calculate the image position and height. position cm height cm.
An object is located at position (2.00, 2.00) on a coordinate system. A concave mirror is located at (-7.00, 2.00), facing the object. Find at what position is the image produced
The water in the plumbing in a house is at a gauge pressure of 260,000 Pa. Obtain what force does this cause on the top of the tank inside a water heater
Light-rail passenger trains that provide transportation within and between cities speed up and slow down with a nearly constant (and quite modest) acceleration. A train travels through a congested part of town at 5.0 m/s. What is the final speed
a block with mass m 3 kg is sitting on the ground and not moving. the acceleration due to gravity is g 9.81 ms2.
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