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In an experiment performed in a space station, a force of 35 N causes an object to have an acceleration equal to 1.2 m/s2. What is the object's mass? Calculate answer to one decimal.
The focal length of a lens is inversely proportional to the quantity (n ? 1), where n is the index of refraction of the lens material. The value of n, however, depends on the wavelength of the light that passes through the lens. where will the vi..
A baseball player hits a baseball (m=.14kg) the ball is initiallytraveling horizontally with a speed of 40 m/s. The batter hits afly ball with speed vf=55m/s. What is the magnitude anddirection of the impulse imparted to the ball?
A conducting bar with a mass of 0.155 kg and a length of 16.0 cm is suspended touching two vertical electrical contacts which form an electric circuit with a battery that has an electric potential of 8.5 V. What is the resistance R that exists in t..
An alien spacecraft flies from its home planet to earth, a distance of 4.33 light-years, according to the aliens on board. determine the distance between the alien planet and the earth
The drawing shows two situations in which charges are placed onthe x and y axes. They are all located at the same distance of 3.0 cm from the origin O.For each of the situations in the drawing, determine the magnitudeof the net electric field at the ..
A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
a particle that carries a net charge of -41.8 ?c is held in a region of constant uniform electric field. the electric
A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note that 1 furlong=220 yards and 1 fortnight=14 days
A 23 kg boom of length 6 m is supported by a cable that has a breaking tension of 1200N. The cable is perpendicular to the boom and is attached 4.5m from the pivot. What is the utmost load that can be suspended from the end of the boom.
You throw a stone vertically upward with an initial speed of 5.8 from a third-story office window. If the window is 12 above the ground, find the time the stone is in flight
Two point charges lie along the y axis. A charge of q1 = -12.0 µC is at y = 7.0 m, find the point at which the total electric field is zero
A ball is thrown vertically upward with a speed of 14.0 m/s. How long does it take to reach its highest point
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