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Standing at a crosswalk, you hear a frequency of 540 Hz from thesiren of an approaching ambulance. After the ambulance passes, theobserved frequency of the siren is 459 Hz.
Determine the ambulance's speed from these observations.
A block starts with a certain speed at the top of a frictionless inclined plane with an unknown angle to the horizontal. To calculate the time required for the block to reach the bottom of the plane.
A particle starts from the origin at t = 0 with a velocity of8.0j m/s and moves in the xy plane with a constant acceleration of94.0i + 2.0j) m/s^2. What is the speed of the particle at this time
The solar panels on the roof of a house measure 4.0 m by 6.2 m. Assume they convert 12% of the incident EM wave's energy to electrical energy. What average power do the panels supply when the incident intensity is 0.80 kW/m2 and the light is incident..
Using the Equation of Hydrostatic Equilibrium, show that if we measure the pressure at the base of the atmosphere, Use the answer in the previous part to write an expression for the total mass of Earth's atmosphere
A Styrofoam bucket of negligible mass contains 1.75 of water and 0.450 of ice. More ice, from a refrigerator at -14.0, is added to the mixture in the bucket, what mass of ice was added
suppose instead of using a 12-gauge diameter 2.05 mm solid copper cable you made a hollow copper cable of outer
A loaded railroad car of mass 6000 kg is rolling to the right at 2.0 m/s when it collides and couples with an empty freight car of mass 3000 kg, What is the velocity of the pair after the collision
A rope is used to pull a 4.56 kg block at constant speed 5.47 m along a horizontal floor. find the work done by the rope's force
A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large vegetables and pianos as a sport. A simple trebuchet.
A car is traveling at 53.85 mph. The driver applies the brakes and the car decelerates at 1.1 m/s2. What is the stopping distance in meters
An AC generator is to have a maximum output of 318 V. Each coil has an area of 0.145 m2 and a resistance of 15.7 ?, Find the maximum current induced in the coil
For instance, the flute can be described as an open-open pipe because a flutist covers the mouthpiece of flute only partially. Meanwhile, a clarinet can be described as an open-closed pipe as the mouthpiece of the clarinet is almost completely closed..
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