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the drawing shows a hydraulic system used with disc brakes the force is applied perpendicularly to the brake pedal the
near the surface of the earth a block of mass m is sliding down an incline with angle thetha 30degress as shown in the
if a mack truck and a honda civic have a head-on collision uponwhich vehicle is the impact force greater which vehicle
a 150lb male athlete is running on a treadmill machine at a speed of 10mihr in a thermally insulated rooma after one
cosmonaut andrei your co-worker at the international spacestation tosses a banana at you at a speed of 16 ms at exactly
aa cube of wood whose edge is 12 mm is floating in a liquid in a glass with one of its faces parallel to the liquid
the specific heat of water is 4186 jkg-degree celsius and the specific heat of copper is 387 jkg-degree celsius 120 kg
a plane flying horizontally at a speed of 500 ms and at an elevation of 160 m drops a package of supplies two seconds
a heat rate of 3kw is conducted through a section of an insulatingmaterial of cross-sectional area 10m2 and
a cart for hauling ore out of a gold mine has a mass of 427 kg including its load the cart runs along a straight
an automobile accelerates from rest a 20 ms2 for 20sthe speed is then held constant for 20 s after which there is
a hardworking ant must supply 000655 n to pull a small piece of fruit at constant velocity over a distance of 1000 cm
the wave function of an electron is given below psi2xsqrt2lsin2pixl calculate the probability of finding the electron
an electron is confined to a one-dimensional region in which its zero-point n 1 energy is 290 eva what is the length
while giving an injection with a hypodermic syringe a nurseapplies a force of 395 n to the piston of a syringe the
a 10 cm converging lens is placed in contact with a diverging lens the focal length of the combinations is 30 cmfind
the average speed of blood in the aorta the main blood vesselcoming from the heart is 0300 ms the average radius of
a family ice show is held in an enclosed arena the skaters perform to music playing at a level of 790 db this intensity
an iron bar of mass 05 kg slides down a frictionless incline 032 m high at the bottom of the incline it collides and
a 200-o resistor a 400-mh inductor and a 200 uf capacitor are connected in series with a 120-v rms source at 1000 hza
a small mass m of cold water whose temperature is 0c is poured into a lake whose temperature is 10c the initially cold
a spark plug in an automobile engine consists of two metalconductors that are separated by a distance of 070 mm when an
two astronauts are 5199 m apart in their spaceship speaking to each other the conversation is transmitted to earth via
a 15-uf capacitor is connected to a 50-v battery and becomes fully charged the battery is removed and a slab of
a heat engine does 34921 j of work per cycle while exhausting 50783 j of heat to the cold reservior if a carnot engine