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Two identical pucks are on an air table. Puck A has an initial velocity of 2.5 m/s in the positive x-direction. What is the speed and direction of puck B after the collision
A block of unknown mass is attached to a spring with a spring constant of 6.00N/m and undergoes simple harmonic motion with an amplitude of12.5cm. Calculate the maximum acceleration of the block
If it actually hits the ground with a speed of 7.80 m/s, what is the magnitude of the average force of air resistance exerted on it
Three 100 ? resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 21.5 W. find the total power delivered to the combination of resistor
A 60·kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 340·N. What is the final speed of the crate
A 70·kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 37.0° above the horizontal. What is the total work done on the box by all forces
A thin rectangular plate of uniform area density ?1 = 1.14 kg/m2 has a length a = 0.540 m and a width b = 0.230 m. find the distance from the origin of the resulting plate's center of mass
A 20.0- rock is sliding on a rough, horizontal surface at 8.00 and eventually stops due to friction. What is the total work they do on the supertanker
An air-core solenoid has a length of 27.1 cm, a cross-sectional area of 0.0454m2, By how much does the magnetic flux through the solenoid change
A particle of mass 4m is placed at a distance of 2.00 m from another particle of mass m. how far will that be orbiting around the earth
If the air in the tube is replaced with a different gas, the frequency of the fundamental standing wave changes to 60·Hz. What is the speed of sound in this new gas
A long, current-carrying solenoid with an air core has 1550 turns per meter of length and a radius of 0.0230 m. What is the mutual inductance of this system
During a 75-ms interval, a change in the current in a primary coil occurs. What is the change in the primary current
The coil of a generator has a radius of 0.20 m. When this coil is unwound, the wire from which it is made has a length of 7.50 m. What is the peak emf of this generator
A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. What is the flux that passes through the circular loop
A 450 nm laser is shown through a single slit. A second 450 nm laser is shown through a double slit. Find the location of the third order minimum for both the single and double slit
Force F = (1.0 N) + (-1.0 N) acts on a pebble with position vector r = (2.70 m) + (-2.1 m) , relative to the origin. What is the resulting torque acting on the pebble about the origin
You are assigned an experament to find g by dropping a 5 cm styrophoam sphere. Construct an uncertainty budget for this hypothetical situtation
A 2 MeV deuteron strikes a 6Li3 nucleus. The compound nucleus splits into identical nuclides. calculate the COM kinetic energy of each
Stan accelerates from a standing start at 2 m/s^2 and one second later Kathy accelerates from a standing start at the same position at 4 m/s^2. how long does it take Kathy to catch Stan
linda pulls a sled with force 89 newtons at 30 degrees east of north. find the resultant force and direction
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating s
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A 0.400-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 23.0 N/m. How far does the putty-block system compress the spring
A golf ball of mass 50 g released from a height 1.5m above a concrete floor bounces back to a height of 1.0 m. What is the amount of energy lost during the impact