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1 when a 90 cm long pencil is arranged perpendicular to a convex mirrors optical axis at a distance of 22 cm from the
a skier is gliding along at 29 on horizontal frictionless snow he suddenly starts down a incline his speed at the
the deepest place in all the oceans is the marianas trench where the depth is 109 km and the pressure is 110x108 pa if
nicole throws a ball straight up chad watches the ball from a window 580 above the point where nicole released it the
a movig particle encounters an external electric field that decreases its kinetic energy from 9740 ev to 5690 ev as the
a juggler performs in a room whose ceiling is 30 m above thelevel of his hands he throws a ball upward so that it just
a physics book slides off a horizontal tabletop with a speed of 270rm mrm s it strikes the floor in 0350rm s ignore
three electrons are located at the vertices of an equilateral triangle one at each vertex the length of one side of the
you and a friend each drive 67 km to the same destination you travel at 889 kmh and your friend at 988 kmhhow long will
the velocity of the transverse waves produced by an earthquake is 693 kms while that of the longitudinal waves is
the cordinate of a particles in meters is given by xt 32t-t3 where time in secondsa what is the velocity as function
estimate the volume of your body consider your body to be a cylinder having a radius of about 6 inches or 015m and a
a beam of hydrogen molecules h2 is directed toward a wall at an angle of 38deg with the normal to the wall each
a steel tank contains 314 g of ammonia gs nh3 with molar mass 170 gmol at a pressure of 155 x 106 and a temperature of
gold has a molar mass of 197 gmola how many moles of gold are in a 909 g sample of pure goldb how many atoms are in the
110 of aluminum at and 220 of copper are dropped into 490 of ethyl alcohol at the temperature quickly comes to 250
a disk of radius 23 cm has a surface charge density of 62 microcm2 on its upper face what is the magnitude of the
given that the mass of mars is 64191 1023 kg the mass of a satellite is 4300 kg the radius of a uniform circular path
a projectile is launched from ground level to the top of a cliff which is 195m away and 155 m highif the projectile
a ball on the end of a string is whirled around in a horizontal circle of radius 0300 m the plane of the circle is 110
the intake in the figure has cross-sectional area of 080 m2 and water flow at 041 ms at the outlet distance d 180 m
a projectile is launched from a 300 m high cliff at an angle of 30 with an initial velocity of 150 ms g98ms2 begin by
a person lies flat on the sidewalk with her ear to the ground a limb falls and two distinct sounds are heard one from
in a loop-the-loop ride a car goes around a vertical circular loop at a constant speed the car has a mass m 2220 kg
it is believed that a large electric fish known as torpedo occidentalis uses electricity to shock its victims a typical