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a wagon is rolling forward on level ground where friction is negligible the person sitting in the wagon is holding a
the ballistic pendulum was used to measure the speeds of bullets it consists of a large block of wood of mass m 54
a skateboarder slides down a frictionless ramp inclined at an angle of 30 degree to the horizontal he then slides
a baseball is thrown with a velocity of 31 ms at an angle of 40o from a height of 18 metera find the vertical and
the mass of the moon is 74 x 1022 kilogram and its mean radius is 175 x 106 meter find the acceleration due to gravity
the volume rate of a flow in a horizontal pipe is 40 ls the diameters of the pipe at points a and b are 40 cm and 50 cm
the gravitational attraction between two objects varies directly as the product of their masses and inversely as the
a grandfather clock is controlled by a swinging brass pendulum that is 11 m long at a temperature of 30degca what is
pushing on the pump of a soap dispenser compresses a small spring when the spring is compressed 050 cm its potential
two objects attract each other with a gravitational force of magnitude 99 x 10-9 newton when separated by 192
ricardo mass 80 kilogram and carmelita who is lighter are enjoying lake merced at dusk in a 30 kilogram canoe when the
the spring in a clothespin is compressed 040 cm storing energy in the form of spring potential energy if the spring is
a 17000-kg airplane lands with a speed of 82 ms on a stationary aircraft carrier deck that is 115 m long find the work
a bicycle rim has a diameter of 065 rm m and a moment of inertia gauged about its center of 025 rm kgcdotrm m2what is
an object attached to a horizontal spring is oscillating back and forth along a frictionless surface the maximum speed
a painter wishes to know whether or not he can safely stand on a ladder the ladder has a mass m1 70 kilogram which is
the lifting force exerted on an airplane wing varies jointly as the area of the surface and the square of the planes
a basketball player makes a jump shot the 0550 kilogram ball is released at a height of 210 meter above the floor with
a block with a coefficient of kinetic friction muk 04 slides down a 30 degree inclined plane estimate what acceleration
there is a clever kitchen gadget for drying lettuce leaves after you wash them it consists of a cylindrical container
a block is hung by a string from the inside roof of a car when the car goes straight ahead at a speed of 21 ms the
two telephone poles are separated by 40 m and connected by a wire a bird of mass 050 kg lands on the wire midway among
a car starts from rest and then accelerates uniformly to a linear speed of 14 ms in 37 second if the tires have a
1 starting from rest you move with a constant acceleration of 22 ms2 for 150 s and then move with an acceleration of
a 286 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp the ramp is