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A 28 g ball is fired horizontally with initial speed vi toward a 110 g ball that is hanging motionless from a 1.1 m -long string. The balls undergo a head-on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle θmax = 500.
What is the electric potential energy of a system that consists of two protons 2.0×10?15 apart-as might occur inside a typical nucleus?
A gyroscope flywheel of radius 2.83 cm is accelerated from rest at 14.8 rad/s2 until its angular speed is 2760 rev/min. What is the radial acceleration of this point when the flywheel is spinning at full speed
A 10 kg block is sitting motionless next to a spring that has a spring constant of 500 N/m. How far is the spring compressed while you are still holding it
What is the normal force that the incline exerts on the block. find the acceleration of the block.
A 72 kilogram water skier is being accelerated by a ski boat on a flat lake. Find the skier horizontal acceleration if the rope pulling the skier exerts a force of 240 Newton on the skier at an upward angle of 12 degree
a typical cell membrane is 8.0 nm thick and has an electrical resistivity of 1.3 107 ? if the potential difference
Give an example of a non-ohmic device BESIDES A LIGHT BULB. Explain what this non-ohmic device is. Explain what makes this non-ohmic device work.
a 69 kg short track ice skater is racing at a speed of 11 m/s when he falls down and slides across the ice into a padded wall that brings him to rest. how much work is done by the all while stopping the ice skater
Finally is the length is unchanged but the mass is equal to 0.500kg find the period T of the pendulum that is independent of the angle.
A uranium-238 atom can break up into a thorium-234 atom and a particle called an alpha particle, a±-4. How much of the uranium atom's internal energy is released in the breakup
A river 24.0 m wide and 5.0 m deep drains a 3000.0 km2 land area in which the average precipitation is 48 cm/year. What is the average speed of the river
A particle is accelerated according to a(t)=3.0m/s+. What is the position of the particle it starts out with v= 2.0 m/s and x=0 at t=0
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