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In a head-on collision, a car stops in 0.16 from a speed of 28 . The driver has a mass of 78 , and is, fortunately, tightly strapped into his seat.
Part A What force is applied to the driver by his seat belt during that fraction of a second?
A bag of blood with a density of 1050 kg/m^3 is raised about 1.00m higher than the level of a patient's arm. How much greater is blood pressure at the patient's arm than it would be if the bag were at the same height as the arm.
A sound wave from a siren has an intensity of 88.8 W/m2 at a certain point, What is the intensity level of the sound wave due to the ambulance
A skier approaches the base of an icy, frictionless hill with a speed of 14.4m/s. Find the acceleration of this skier when she is going up the hill
Each surface exerts a force on the bottle that is perpendicular to the surface. What is the magnitude of each of these forces.
A syringe with a barrell with a diameter of 0.20 m is filled with water. What is the speed of the jet of water out of the syringe
When water freezes, it expands about 8.73%. What would be the pressure increase inside your automobile engine block if the water in it froze
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.650m from the axis of rotation of the stool. Compute the kinetic energy of the system after the dumbbells are pulled in
A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
You have a 1.0m long copper wire. You want to make an N-turn current loop that generates a 1.2mT magnetic field at the center when the current is 2.5A. What will be the diameter of your coil
A certain material is in a room at 27°C. If the absolute temperature (K) of the material is tripled, What is the value for α , the temperature coefficient of resistivity
Describes possible scenarios among following
The distance between two successive minima of a transverse wave is 2.57 m. Five crests of the wave pass a given point along the direction of travel every 12.4 s. Find the frequency of the wave
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