Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a bicyclist coasts down a 539deg slope at a steady speed of 837 ms assuming a total mass of 871 kg bicycle plus rider
a wooden raft has a mass of 46 kg when empty it floats in water density 1000 kgm3 with 54 of its volume submerged what
a 425-kg watermelon is dropped fromrest from the roof of a 205-m-tallbuilding and feels no appreciable air resistancea
a spring-block system executes simple harmonic motion the mass of the block is m 12 kg and the total energy is e 18 j
a car spring lenght 02 m is suspended from the ceillingof a garage a 200kg mass is suspended from the spring which
a cylinder of radius b has a moment of inertia i 12mb2 the cylinder is rolled along a degat horizontal surface at
a car of mass 1572 kg collides head-on with a parked truck of mass 2000 kg spring mounted bumpers ensure that the
a car starts at a position of x2km and has a speed of 1 mph after 56 s thecar has a speed of 44 mph determine the
a solid spherical conductor of radius 20 cm has a charge q 25 nc on it a second initially uncharged spherical
three point charges have equal magnitudes two being positiveand one negative these charges are fixed to the corners of
a heat engine takes in 111 kj of heat from a reservoir at 811 k and exhausts 83 kj to a reservoir at 290 ka what is the
an object is thrown up in theair straight up and it takes 10 seconds to reach a maximum height what is the objects
a gold prospector finds a solid rock that is composed solely of quartz and gold the mass and volume of the rock are
a charge of q 75uc is located in an electricfireld the x amp y components of the electric field areex600 x 103 nc and
a light ra reflects from a mirror hanging vertically on a wall in your bathroom and the ray strikes a particular point
a cart is driven by a large propeller or fan which can accelerateor decelerate the cart the cart starts out at the
a recreational aircraft has a lift- off speed of 110 kmhr if the aircraft has a constant acceleration of 5ms2 what
in the figure below a butterfly net is in a uniform electric fieldof magnitude e 30 mncthe rim a circle of radius a
a playground carousel is free to rotate about its center on frictionless bearings the carousel has an angular speed of
a string has a linear density of 680 10-3 kgm and is under a tension of 345 n the string is 19 m long is fixed at both
a proton is accelerated from rest through a potential difference of 90v find the energy of the particle and the speed
a person hums into the top of a well and finds that standing waves are established at frequencies of 23 69 and 115 hz
a 60 kg football player is running down the field at a speed of 5 ms he is being chased by a 40 kg player who is
a block of mass m hangs from a spring having spring constant k 12 nm and oscillates up and down with simple harmonic