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a substance has a density of 500 kgm3 a cardboard box has dimensions 02 m x 04 m x 05 m obtain the mass of the box full
cranes utilize a system of two pulleys to provide mechanical advantage which reduces the force they need to apply to
a boy has a height of 1 m and a mass of 20 kilogram he drinks a magic potion and becomes a giant of 4 m in height but
electric current is charge flowing per unit time if we increase the kinetic energy of the photoelectrons with
a uniform disk of mass 2 kilogram is spinning on its vertical axis of symmetry remember the rotational inertia of a
a wheel is spinning freely on its axis with an angular velocity w of 1 rads it has a kinetic energy of 10 joule find
a long wire carrying a 590a current reverses direction by means of two right-angle bends as shown in the figure figure
a meter rule of no mass hangs from its mid-point it has a 1 kilogram mass hanging from the 25 centimeter find at what
a proton with a kinetic energy of 43 10-16 j moves perpendicular to a magnetic field of 26 t what is the radius of its
a 95-g stone is whirled in a horizontal circle on the end of an 85-cm-long string the stone takes 12 s to make each
a 2 m long see-saw is balanced in the middle a 10 kilogram boy sits at one end a girl sits on it 03 meters away from
a wheel spins on its axis with a angular velocity of 2 rads a torque is applied to speed to wheel up and this torque
an object experiences a constant acceleration of 30 ms2 along the x axis for 8 s attaining a velocity of 16 ms in a
a car with wheels of radius 10 centimeter is traveling at 5 meter per second find how many revolutions per second does
a coil of nichrome wire is 270 m long the wire has a diameter of 0440 mm and is at 200degc1 if it carries a current of
you tackle a 100 kilogram football player running at 5 meter per second and he stops over a time period of 4 seconds
a block that has a mass of 006 kg and a block that has a mass of 219 kg are attached to the ends of a rope a student
a cart on an air track has a mass of 2 kilogram and a speed of 6 meter per second it hits another cart with the same
a 7130-kg car is travelling at 327 ms when the driver decides to exit the freeway by going up a ramp after coasting 369
two equal carts are on an air track the first slides in at a velocity of 9 meter per second and hits the second which
a hand grenade of total mass 6 kilogram explodes into three pieces each of 2 kilogram two of the pieces fly off at 10
the flash unit in a camera utilizes a 90v battery to charge a capacitor the capacitor is then discharged through a
a hand grenade of total mass 5 kilogram explodes into two pieces one of 4 kilogram flies off at 10 meter per second
a generator produces 240kw of electric power at 72 kv the current is transmitted to a remote village through wires with
as you hurry to catch your flight at the local airport you encounter a moving walkway that is 90 meter long and has a