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Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the speed of each disk after the collision
A right circular cylinder has radius of 1cm and contains Hg ( d= 13.596 kg/l), Determine length of mercury column and length of water column
a 68.0 kg person throws a 0.0490-kg snowball forward with a ground of 29.0 m/s. What are the velocities of the two people after the snowball is exchanged
A railroad car of mass 3.0x10^4 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, what is the speed of the three coupled cars after the collision
A 1,260-kg car traveling initally with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,600-kg truck moving in the same direction at 20.0 m/s. what is the velocity of th
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
A rifle with a weight of 30 N fires a 3.0-g bullet with a speed of 240 m/s, Find the recoil speed of the rifle
A particular satellite was placed in a circular orbit about 145 mi above Earth. Determine the time required for one complete revolution
A uniform rod of mass m and length l is kept vertical with the lower end clamped. What wil be the linear speed of the free end at this instant
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car
A car drives horizontally off a 86m -high cliff at a speed of 29m/s . Ignore air resistance. How long will it take the car to hit the ground
As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 3.0x10^1 cans of soda which are warm at 86.5F. how much ice needs to be
80 pF capacitor and a 320 pF capacitor are both charged to 2.8 kV. They are then disconnected from the voltage source and are connected together, Find the resulting potential difference across each
A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. Find the difference in fluid level between the two sides of the tube
A solenoid with a cross-sectional area of 1.70*10^-3 is 0.735m long and has 485 turns per meter. Find the magnitude of induced emf in this solenoid
A step-up transformer has 24 turns on the primary coil and 780 turns on the secondary coil. what input current and voltage are needed
An electric motor rotating a workshop grinding wheel at a rate of 9.80x10^1 rev/min is switched off. how long does it take for the grinding wheel to stop
Consider laser eye surgery, in which laser light with a wavelength of 426 nm at a power output of 1.6 W is used to reattach a detached retina. how many photons are emitted by the laser
An air-filled toroidal solenoid has a mean radius of 15.1cm and a cross-sectional area of 4.95cm2, find the least number of turns that the winding must have
A cyclotron (see figure below) designed to accelerate protons has an outer radius of 0.333 m. Find the speed at which protons exit the cyclotron
Older freezers developed a coating of ice inside that had to be melted periodically; an electric heater could speed this defrosting process. What is the resistance of the wire
A 20 liter tank of helium is at a pressure of 172kPa at a temperature of 0 C. What is the speed of the helium atoms in the tank at this new volume
In an experiment 70 gram of ice at 0 degrees Celsius is dropped into 300 gram of water at 50 degrees Celsius. what is the final temperature of thermal equilibirium
A person with a black belt in karate has a fist that has a mass of 0.70 kg. What is the magnitude of the average net force
A high speed photograph of club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club