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a 62-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion
the mass of the sun is 199 x 1030 kg and its distance from earth is 150 million kilometers 150 x 109 meters what is the
1 the distance between earth and its moon is 384 x 108 meters earths mass is m 59742 x 1024 kg and the mass of the moon
induced emf measurements can be used to measure the speed of a conducting fluid such as sea water if a 20 cm inner
1 calculate the force between two objects that have masses of 70 kg and 2000 kilograms separated by a distance of 1
two strings with linear densities of 0005kgm are stretched over pulleys adjusted to have vibrating lengths of 050m and
a physics professor is pushed up a ramp inclined upward at an angle 330circ above the horizontal as he sits in his desk
a long cylindrical conducting shell has inner radius r110 cm and an outer radius r212 cm the conductor has no net
the thermal energy of 0800 mol of a substance is increased by 0900 j what is the temperature change if the system is a
you are an astronaut m 115 kg and travel to a planet that is the same mass and size as earth this new planet however
a weight is attached to one end of a lightweight spring held at other end when the weight comes to rest the spring is
a helicopter has blades of length 25m extending out from a central hub and rotating at 400 revs if the vertical
a 1500 lb car traveling 80 mph due west is struck by lightening and charged with an enormous negative charge if the
a long straight wire lying along the x-axis carries a constant 5 a current along the positive x direction a small 5mm
the time constant of an rc circuit is 21 s how much time t is required for the capacitor uncharged initially to gain
a 20 kg breadbox on a frictionless incline of angle 33deg is connected by a cord that runs over a pulley to a light
in a heart pacemaker a pulse is delivered to the heart 81 times per minute the capacitor that controls this pulsing
how many time constants a decimal number must elapse before a capacitor in a series rc circuit is charged to 600 of its
explain how you might use the concept of beat frequency to tune a musical instrument using tuning forks would this
a factory worker pushes a 286 kg crate a distance of 49 m along a level floor at constant velocity by pushing downward
two cylindrical bars each with diameter of 240 cm are welded together end-to-end one of the original bars is copper and
the parallel plates in a capacitor with a plate area of 580 cm2 and an air-filled separation of 490 mm are charged by a
ca wire carries a steady current of 240 a a straight section of the wire is 0750 m long and lies along the x-axis
a guitar string destined to be an upper e string has length 9800 cm and mass 0460 ga what is its mass per unit length b
a person wants to push a lamp mass 72 across the floor for which the coefficient of friction is 020 calculate the