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Transverse waves with a speed of 42.5 m/s are to be produced on a stretched string. A 5.25-m length of string with a total mass of 0.0600 kg is used.
(a) What is the required tension in the string?
(b) Calculate the wave speed in the string if the tension is 8.00 N.
The owner of a van installs a rear-window lens that has a focal length of -0.299 m. When the owner looks out through the lens at a person standing directly behind the van, How tall is the person
The density of free electrons in gold is 5.90 x 10^28 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.30mm in diameter and 27cm long, carries a current of..
You put your morning coffee in a copper mug. Assuming the coffee is boiling hot (100 *C), what is the temperature of the cup of coffee
The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground.
The resistor has a value of 10ohms, and the capacitor is 500uF. Calculate the time constant of the circuit. What is the voltage across the capacitor after the switch has been closed for one time constant
Write an explanation of how you can predict the motion of a charged hockey puck that is moved by other charged pucks. How negative and positive charges compare and contrast
If a 12 V battery is used to charge this capacitor, what is the total charge stored what is the magnitude of the electric field between the plates what is the energy stored on the capacitor
A block of mass M = 1.5 kg slides between two springs, of spring constant kleft = 30 N/m and kright = 57 N/m. Find the coefficient of sliding friction between the block and the surface
A 102-N grocery cart is pushed 13.0 m by a shopper who exerts a steady horizontal force.
If the river current is 2 m/s (from left to right) and the canoe is moving at 5m/s toward the upper shore at a 60° angle, how far downstream does the canoe land
An orchestra is tuning its instruments using a tone at a frequency of 440 Hz. A man comes zipping by on a very quiet, electric scooter at a speed of 28 m/s. What tone does the man hear as he approaches the orchestra
A man is to pull a 50 .0 kg crate across a level terrain with a force of 50.0 N. What is the coefficient of kinetic friction, if the work done by friction is - 4.30 x 102 J
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