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a satellite circles the earth in an orbit whose radius is 362 times the earths radius the earths mass is 598 x 1024 kg
a stunt driver wants to make his car jump over eight cars parked side by side below a horizontal ramp the vertical
objects of masses m1 400 kg and m2 900 kg are connected by a light string that passes over a frictionless pulley as
in a game of basketball a forward makes a bounce pass to the center the ball is thrown with an initial speed of 43 at
a cat walk 80m north 50m east and then 60m south what is the magnitude of the cats displacement from the starting
a man seeking to set a world record wants to tow a 104000-kg airplane along a runway by pulling horizontally on a cable
a solid metal sphere of radius a 130 cm is surrounded by a concentric spherical metal shell of inner radius b 250 cm
a small rock moves in water and the force exerted on it by the water is given by equation fkv the terminal speed of the
the left end of a long glass rod 800 in diameter with an index of refraction 160 is ground to a concave hemispherical
a 940kg motorboat accelerates away from a dock at 21ms2 t its propeller provides a thrust force of 40kn what drag force
two resistors 660 and 680 are connected in parallel the current through the second resistor is 380 aa determine the
a fan is turned off and its angular speed decreases from 85 rads to 5 rads in 50sa what is the magnitude of the angular
a 10 micro falad capacitor is charged so that the potential difference between its plates is 10 v a 5 micro falad
an airplane with a speed of 777 ms is climbing upward at an angle of 455 deg with respect to the horizontal when the
in a marathon race chad is out in front running due north at a speed of 388 ms john is 97 m behind him running due
in the bohr model of the hydrogen atom an electron moves in a circular path around a proton the speed of the electron
a curve in a road forms part of a horizontal circle as a car goes around it at constant speed 140 ms the horizontal
what if initially a charge 20 c is put on shell 1 with radius 32 m then a far away shell 2 initially neutral with
one common kind of computer keyboard is based on the idea of capacitance each key is mounted on one end of a plunger
the capacitance of an empty capacitor is 12microf the capacitor is connected to a 12-v battery and charged up with the
a dielectric-filled parallel-plate capacitor has plate area 100mm plate separation 100mm and dielectric constant
1 in humans most cancers are caused bya uv radiationb dietary fatc x-raysd tobacco2 a dna microarray is used toa detect
1 which of the following is nota major function of the plasma proteins in the blood2 what intertidal area has the
the high levels of pesticides found in birds of prey is an example ofaeutrophicationbthe green world
in the example from lecture bicoid behaved as a morphogen in the way it affected the expression of hunchback suppose i