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A small block B is placed is placed on another block A of mass 7 kg and length 15 cm. Initially the block B is near the right end of block A. A constant horizontal force of 10 N is applied to the block A. All the surfaces are assumed frictionless. Find the time elapsed before the block B separates from A.
you stand at the center of a carousel spinning at rate w. you throw a ball horizontally with some velocity xdot from
A cylinder of mass10.0kg rolls without slipping on a horizontal surface. What is the rotational kinetic energy about its center of mass
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, What is her resultant displacement
a helicopter flies over the arctic ice pack at a constant altitude towing an airborne 119-kg laser sensor that measures
For a hydrogen atom, determine the ratio of the ionization energy for the n = 4 excited state to the ionization energy for the ground state
An 83.0kg student, starting from rest, slides down a 11.8m highwater slide. How fast is he going at the bottom of the slide
Two resistors, 80.0 and 64.0 , are connected in parallel. The current through the second resistor is 4.30 A, What is the total power supplied to the two resistors
A small block with mass m=3 kg is on the right of the large block and is initially a distance d=1.4 m above the ground. how long does it take to hit the ground
In the Bohr model of the hydrogen atom, an electron (mass m=9.1×10?31kg) orbits a proton at a distance of 5.3×10?11m. How many revolutions per second does the electron make
A stopwatch is utilized to measure how long it takes a sprinter to run 100 meters. This stopwatch measures time intervals to hundredths of seconds. Using the stopwatch the timekeeper measures the sprinter’s time as9.88 seconds.
A small, 300g cart is moving at 1.30m/s on an air track when it collides with a larger, 5.00kg cart at rest. What is the speed of the large cart after the collision
The maximum speed of a 3.1 kilogram mass attached to a spring is 0.68 m/s and the maximum force exerted on the mass is 11 Newton. Estimate what is the force constant of the spring
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