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A ball player hits a home runm and the baseball clears a wall 8.00 m high located 112.0 m from home plate. The ball is hit at an angle of 38 degrees to the horizontal, and the air resistance is negligible. Suppose the ball is hit at a height of 1.2 m above the ground. What is the initial speed of the ball? The acceleration due to gravity is 9.81 m/s^2. Answer in units of m/s.
Part 2:
How much time does it take for the ball to reach the wall? Answer in units of s.
Part 3:
1. Discover the speed of the ball when it reaches the wall. Answer in units of m/s.
2. What is the value of the electric dipole moment induced in the sodium atom?
3. What is the value of the electric field at the position of the alpha particle? (What causes this electric field? Is it reasonable for you to use the approximate large-distance result for this solution? Why or why not?)
4. What is the value of the force (vector) exerted on the neutral sodium atom with the alpha particle?
5. (There are no calculations in this part—only physical reasoning is required!) Let’s say that the sodium atom was now replaced by a sulphur atom.
A 12 kg block is moving horizontally across a frictionless surface with a constant velocity of 25 m/s, How far does the block move before it comes to a stop
There are two stable isotopes of the element Lithium. One of them has three neutrons and the other has four. All other isotopes are radioactive withshort half lives. Using the periodic table in the textbook, find the listed mass of lithium, inamu
An object is solid throughout when the object is totally submerged in ethyl alcohol its apparent weight is 15.2 N when completely submerged in water its apparent weight is 13.7 N what is the volume of the object
A massless frictionless pulley, an ideal string, and two masses (m1 = 2.50 kg and m2 = 4.00 kg) are connected together, What is the magnitude of the tension force in the string
by how much will the volume of coolant in an automobile radiator increase when its temperature increases by 130 cdeg
A certain car battery with a 14.0 V emf has an initial charge of 195 A•h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of 184 W.
A series RLC circuit is driven by a voltage of amplitude 5V. If w(omega)= 1000s^-1, L = 5H, C=3muF and R =2komega. Find the amplitude of the current. Find the amplitude of the voltages across the capacitor, inductor, and resistor Find the phase diffe..
A 0.43 µF capacitor is connected to a 9.0 Volt battery. Find the magnitude of the charge on each plate of the capacitor
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A well-engineered ski jump is less dangerous than it looks because skiers hit the ground with very small velocity components perpendicular to the ground. What is the slope of the ground in the landing zone
An object with a mass of m = 5.5 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.275 m and mass of M = 3.00 kg. compute the magnitude of the acceleration of the object
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