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A) what is the final Velocity of a hoop that rolls without slipping down a high hill, starting from rest?
B) what would be the final Velocity if a disk of the same mass and radius as the hoop rolled down the hill?
A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is, What is Q
A particle moves along x axis according to equations x =2.00+3.00t-1.00t2, where x is in meters and t seconds. At t=3.00s, determine (a) the position of particle. (b) its velocity, and (c ) its acceleration.
A 2.0{\rm mm} -diameter ball bearing has 3.0×109 excess electrons. What is the ball bearing's potential
A particle of mass M decays into two identical particles each of mass m, where m = 0.4M. Prior to the decay, the particle of mass M has a total energy of 4 Mc2 in the laboratory reference frame. The velocities of decay product are along the directi..
Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 210 mi/h in 3.00 s. (a) Find the average acceleration of the plane. m/s2 (b) Assuming the acceleration is constant, find the distance the plan..
A student throws a set of keys vertically upward to her sister in a window 4.0 m above. The keys are caught 1.5 s later by the sister’s outstretched h&. Find initial speed were the keys thrown?
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 21.0 days on average to complete one nearly circular revolution around the unnamed planet.
A gas of diatomic molecules is in equilibrium at a temperature of 340 K. What is the mean angular momentum of the molecules
A javelin is thrown at an initial speed of 28.5 m/s at an initial height of 1.93 m above the ground, Find this maximum range
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
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