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a bullet with mass 485 g is fired horizontally into a 1965-kg block attached to a horizontal spring the spring has a
an open-tube mercury manometer is used to measure the pressure in an oxygen tank a when the atmospheric pressure is 990
a 051 kg mass vibrates according to the equation x 043 cos 837t where x is in meters and t is in seconds a determine
a thin spherical shell has a radius of 28 m and a mass of 270 kg and its center is located at the origin of a
if the coefficient of static friction is 0373 and the same ladder makes a 630deg angle with respect to the horizontal
a potters wheel having a radius 048 m and a moment of inertia of 104 kg middot m2 is rotating freely at 48 revmin the
in 4 to 5 billion years the sun is expected to enter a red giant phase in which its outer layers will gradually expand
two large spheres with the same diameter are mounted on vertical axles in a science museum both are coated in a thin
after the first snow of the winter you and your friends go sledding on the tecumseh street overpass of i-35 if the snow
a 16 cm long animal tendon was found to stretch 39 mm by a force of 139 n the tendon was approximately round with an
a chair of weight 750 n lies atop a horizontal floor the floor is not frictionless you push on the chair with a force
a rope of length 700 m has a mass of 700 g it is tied between two poles the tension force in the rope is 40 n what is
a very bouncy ball is dropped from a height of 237 m to an asphalt playground surface and the height of its 5th bounce
what happens if the woman suddenly slides closer to the hub by 0400 m1 the new net torque has the same magnitude2 the
a 080 kg ball and a 420 kg ball are connected by a 780 cm long massless rigid rod the structure rotates about its
a 1200kg satellite is placed in an orbit 5000km above the surface of the earth a what is the gravitational acceleration
a thin spherical shell has a radius of 2 m and a mass of 380 kg and its center is located at the origin of a coordinate
a frictionless ramp is constructed so that it is at a 30 degree angle to the horizontal it is 18 meters long and 09
a 15000 kg f-18 jet fighter lands at 50 ms on an aircraft carrier its tail hook snags the cable to slow it down the
a house has well-insulated walls it contains a volume of 75 m3 of air at 295 k a consider heating it at constant
a 10-g ball moving at 4 cms to east collides with a 5-g ball moving to the west at 6 cms if the collision is elastic
bored a boy shoots his pellet gun at a piece of cheese that sits keeping cool for dinner guests on a massive block of
two long parallel wires are separated by 40mm the current flowing in one of the wires is twice that in the other wire
a uniform disk turns at 39 around a frictionless spindle a nonrotating rod of the same mass as the disk and length
the combination of an applied force and a friction force produces a constant total torque of 352 n middot m on a wheel