Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
water flowing through a garden hose of diameter270cm fills a200-l bucket in130mina what is the speed of the water
a spherical weather balloon is filled with hydrogen until its radius is300m its total mass including the instruments it
a toroid of mean radius 27 cm and circular cross section of radius 17 cm is wound with a superconducting wire of length
a skydiver is falling downward through the air he weighs 2415 pounds there is an upward force of air friction opposing
each tire on a car has a radius of 0330 m and is rotating with an angular speed of 155 revolutionss find the linear
a 1000kg elevator is being lifted vertically upward by a strong cablea what does the elevator weighb if the cable lifts
an 81 kg boat that is 9 m in length is initially 78 m from the pier a 20 kg child stands at the end of the boat closest
a star of radius 78 times 105 km rotates about its axis with a period of 66 days the star undergoes a supernova
in the bohr model of the hydrogen atom the electron orbits the proton in a circular orbit calculate the orbital
to tighten a bolt you push with a force of 78 n at the end of a wrench handle that is 027 m from the axis of the bolt
you will begin with a relatively standard calculation consider a concave spherical mirror with a radius of curvature
the outside mirror on the passenger side of a car is convex and has a focal length of -77 m relative to this mirror a
an icy planet at some mass m and radius r is spinning at some velocity w the ice melts into space at the constant rate
find the resultant force of a tank that is entirely filled with an incompressible fluid and has a piston at end side
a man is pushing a heavy box across the floor the box weighs 95 lbs the man is pushing forward on it with a force of 56
pivot without friction about the point o this pendulum is released from rest in a horizontal position and when the ball
a person throws a 12 kg brick out the window what would be the resultant velocity of the wagon brick is thrown at 25 ms
a mass of 500kg with a velocity of 25ms hits a stationary mass of 200kg the masses stick together after the collision
a car is coasting at 20 meterssec at the top of a 100 meter high hill the car rolls down the hill how fast fast is the
a a hydrogen atom that has lost its electron is moving in the y direction in a region where the magnetic field is
a thin rod length 142 m is oriented vertically with its bottom end attached to the floor by means of a frictionless
a capacitor and resistor are connected in series forming an rc circuit if the resistance in the circuit is set at 700
1 a singly ionized nickel atom has an overall charge of 1602 x 10-19c and a mass m 980 x 10-26 g it travels to the
an electron charge -16 e-19 c is moving at 30 e 5 ms in the positive x direction a magnetic field of 08 t is in the
an x-ray beam of a certain wavelength is incident on a crystal at 313deg to a certain family of reflecting planes of