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a uniform bar of metal 040 m long with a diameter of 20 cm has a mass of 11 kg a 15 mhz longitudinal wave is propagated
a heat engine operating between energy reserviors of 19283 oc and 51728oc has 2932 of the maximum possible efficiency
a mass on a spring has an angular oscillati0n frequency of 281 rads the mass has a maximum displacement when t0s of
a wheel radius 06 m is rolling on a horizontal surface with a center of mass acceleration of 07 ms2 if the force
a car is traveling at 5385 mph the driver applies the brakes and the car decelerates at 11 ms2 what is the stopping
a ball is launched straight up with a speed of 2505 miles per hour what is the maximum height reached in
jupiter has a mass that is roughly 320 times that of the earth and a radius equal to 11 times that of the earth what is
1140 g of water is heated using 670 w of power with perfect efficiency how long will it take to raise the temperature
a 100 kg bomb is at rest it explodes into two chunks one piece of mass300 kg goes east at 100 ms what is the speed of
one gallon of gasoline releases approximately 10 108 j when it is burned ie undergoes combustion in a car engine if the
a 400kg baby grand piano is raised to the roof of a 100m building if the cable breaks as it reaches this height what
the low temperature in a freezer is -20 c and the discharge temperature is 35 c what is the maximum theoretical
a 3 kg cylinder falls vertically from rest in a very tall evacuated tube 20 m above the surface of the earth what is
a person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 329 db
a dog runs down a driveway with initial speed of 5 ms for 8s then uniformly increases his speed to 10 ms in 5 s what
a loudspeaker is placed between two observers who are 115 m apart along the line connecting them if one observer
a supersonic aircraft is flying parallel to the ground when the aircraft is directly overhead an observer on the ground
a sausage slides along the 60 degree incline with a constant velocity te mass of the sausage is 035 kg if the height of
a quarterback throws a pass at an angle of 40 degrees above the horizontal with an initial speed of 220 ms the ball is
suppose the scale of a crown read 784 n in air and 684 n in water gold density 193 gcm3afind the buoyant forceb find
a jet of water squirts out horizontally from a hole near the bottom of the tank shown in the figure below if the hole
a capacitor with 10 microfarad capacitance is connected in series with a resistor of 25 mega-ohms if this capacitor is
an aluminum calorimeter with a mass of 100 g contains 250 g of water the calorimeter and water are in thermal
a sprinterexplodes out of the starting block with an acceleration of214 ms2 which she sustains for 126 sthen her
a mass hanging at rest froma spring stretches the spring by 400 cm the mass is thenpullednbspdown until the spring is