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a ball of mass m at rest is dropped from the height h above the ground onto a spring on the ground whose spring
in the series rlc circuit of problem 1 the resistor is replaced with the higher available value of 68 kohm the circuit
a ball is fired at a speed of 400 ms from ground level at an angle of 600 degrees above the horizontal the ball is
a ball is connected to a 4 cm long string suppose you hold the free end of the string and make the ball spin on a table
several optical instruments are placed along the xaxis with their axes aligned along the x axis a plane mirror is
several years ago i was asked to do some calculations regarding firing bullets into the air to celebrate new years
a sewing machine needle moves in simple harmonic motion with a frequency of 25 hz and an amplitude of 127 cma how long
shavingmakeup mirrors typically have one flat and one concave magnifying surface you find that you can project a
a ship sets sail from rotterdam the netherlands heading due north at 7 ms relative to the water the local ocean current
the bacterium escherichia coli or e coli is a single-celled organism that lives in the gut of healthy humans and
a shop sign weighing 210 n hangs from the end of a uniform 180-n beam as shown in figure 1 find the vertical force
bacteria vary somewhat in size but a diameter of 19 mum is not unusuala- what would be the volume in cubic centimeters
an electrical circuit is connected as shown in the figure on the right it contains two identical batteries the battery
a 2-kg block sits on a 4 kg block that is on a frictionless table the coefficient of friction between the blocks
consider the following figurea find the equivalent resistance between points a and b in the figureb calculate the
an airplane starts from an airport located at the origin o and flies 150 km in the direction 20o north of east to city
resistors of values r1 600 ohm r2 500 ohm r3 1100 ohm and r4 800 ohm are combined as shown what is the equivalent
in both a and b the acceleration on the 5-kg box m is as large as it can be without the box sliding find the
a show that a projectile with mass m can escape from the surface of a planet if it is launched vertically upward with a
in the x-y plane a charge of - 52 muc is on the x-axis at the point -40 cm 0 and a second charge of 75 muc is located
consider the following circuit with resistors 1-7 ohma what is the effective resistance of the circuit if only the
awire of length 180 m and cross-sectional area 600 x 10-6 m2 has a resistance of 375 r what is the resistance of a wire
1 the average television is said to be on 6 hours per day calculate the yearly cost of electricity in billions of
as a 75-slug automobile travels along a horizontal 3200-ft section of road it changes speed from 5 mih to 60 mih if the
1 the drawing shows a thin uniform rod that has a length of 030 m and a mass of 0080 kg this rod lies in the plane of