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you are standing on a platform and you throw a 5kg ball horizontally with a speed of 10ms you release the ball at a
an object is moving in a circular path of radius 400 m if the object moves through an angle of 300 degrees then what is
you throw a book straight up from s height of 2 meters above the ground with a speed of 15msa where is the book after 2
a man is riding on a flatcar traveling at a constant speed of 910 the figure he wishes to throw a ball through a
a 5 m deep river runs on a horizontal 7 m long bridge and 85 m wide which is hung in air 10 m high above the ground the
a diver proposed using a plastic bag full of air immersed in water as an underwater lens is this possible if the lens
a two-slit interference experiment is set up and the fringes are displayed on a screen then the whole apparatus is
as an object is heated to a very high temperature and becomes self-luminous the apparent color of the emitted radiation
two closely wound circular coils have the same number of turns but once has twice the radius of the other how are the
when the hamster is running in a wheel the temperature of the air in the calorimeter rises 160 per hour how much heat
a mass of 670 kg is suspended from a 115 m long string it revolves in a horizontal circle as shown in the figure the
given an angular velocity of 100revmin a mass of 10 kg with radius 75 how does one find the maximum
a simple harmonic oscillator is constructed from a spring which is connected to a mass of 03 kg the mass-spring system
the center of gravity of an irregular object of mass 470 g is shown in the figure you need to move the center of
a magician wishes to create the illusion of a 284 m tall elephant he plans to do this by forming a virtual image of a
two tuning forks have frequencies of 272 hz and 294 hz what is the beat frequency if both tuning forks are sounded
a submarine sends a sonar signal which returns from another ship 2250 s later how far away is the other ship if the
the low range of frequencies used for medical applications is about 1000000 hz what is the wavelength of this frequency
if a washing machines drum has a radius of 26 cm and spins at 40 revs what is the strength of the artificial gravity to
two objects with masses of 250 kg and 590 kg are connected by a light string that passes over a frictionless pulley as
1 what is the myth of the equilibrium is there more than one application of this concept in the study of ecology2
power transmission lines often use a form of electric current called alternating current but in many regions such as
an object with mass m1 490 kg rests on a frictionless horizontal table and is connected to a cable that passes over a
a hockey player is standing on his skates on a frozen lake when an opposing player skates by with the puck moving at a
the following equalities can be used to make conversion factors254 cm 1 inch12 inches 1 foot1 mile 5280 feet 100 cm