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Two small objects, each with a charge of - 4 nC are held together by a 0.02m length string. The string is cut.
Describe qualitatively what happens to the speeds of the objects as time increases, assuming that the objects remain on the horizontal nonconducting frictionless surface. Please give reasoning
Sketch a graph with distance on x axis and acceleration on y axis showing what happens to one object after string is cut. Explain
a soccer player earned a free goal kick. sadly a competitor substituted the normal soccer ball with one partially
A block of mass 3.0kg hangs from one end of a cord, while the other end is wrapped around a uniform wheel of radius 30cm and moment of inertia 0.80kgm2. Find the linear acceleration of the block
You stand on a frictional platform that is rotating at 1.9 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
a pendulum consists of a 2.0 kg stone swinging on a 3.9 m string of negligible mass. the stone has a speed of 7.2 ms
A certain elevator cab has a total run of 190 m and a maximum speed of 305 m/min, and it accelerates from rest and then back to rest at 1.22 m/s2. How long does it take to make the nonstop 190 m run, starting and ending at rest
A 52.2 kg pole-vaulter fallsfrom rest from a height of 4.8 m onto a foam-rubber pad. Calculate the athlete's velocity just before reaching the pad
A small circular hole 5.00 mm in diameter is cut in the side of a large water tank, 13.0 m below the water level in the tank. Find the speed at which the water shoots out of the tank
A 10 kg object is moving at 6.36 m/s. The object passes 3m over rough surface with a frictional force of 20 N. How far does the object compress the spring
A fugitive tries to hop on a freight train traveling at a constant speed of 4.8. What is the distance traveled to reach the box car
Angry Bird is launched horizontally with a slingshot with a speed of 6.07 m/s. how far away will the target need to be
an electron and a proton are fixed at a separation distance of 931 nm. find the magnitude and direction of the electric
Find what volume of water is displaced by a submerged 4 kilogram cylinder made of iron? (Iron density =7.86 x 103 kg/m3
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