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A 0.190kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.10m above the floor. The spring has force constant 2000N/m and is initially compressed 0.045m. The mass of the spring is negligible. The spring is released, and the block slides along the table, goes off the edge, and travels to the floor. If there is negligible friction between the block of ice and the tabletop, what is the speed of the block of ice when it reaches the floor?
You are at the controls of a particle accelerator, sending a beam of 2.70×107 protons (mass ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unk..
You are test driving a newly developed set of tires. You go into a flat curve (no incline) that has a radius of curvature of 59 m. If you start to skid at a velocity 25 m/s, what is the coefficient of friction for these tires?
The velocity selector in the figure is designed to allow charged particles with a speed of 4700 m/s to pass through undeflected. Find the magnitude of the required electric field
IN A VEEERTICAL JUMP AND REACH TEST A 60 KKG SSSTUDENT JUMPS 60CM, WHILE A 90 KG STUDENT JUMPS 45 CM. WHICH JUMPEER WAS MORE POWEERFUL
You are 1.5 m tall and you are standing 2.0 m away from a flat mirror. The Top of the mirror is at the same level as the top of your head. How large is the mirror
Your car tire is rotating at 3.9 rev/s when suddenly you press down hard on the accelerator. What is the tires angular acceleration
During the spin-dry cycle of a washing machine, the motor speeds up from 30 rad/s to 95 rad/s, What is the magnitude of the angular acceleration of the motor
n object of mass "m" specific heat "Cp" & surface area "As" is initially at a temperature "To". Rate of Heat gained by Object = Rate of Heat Lost by Gas m, Cp, h, A & Tg are all constants.
At a point near the equator, the Earth's magnetic field is horizontal and points to the north. If an electron is moving vertically upward at this point, does the magnetic force acting on it point north, south, east, west, upward, or downward?
Two ships are 335 m aparts from each other are shooting cannons at each other. Both ships' cannons are 3.0 m above the water line and both have a muzzle velocity (speed of the cannon ball) of 217 m/s.
A parallel plate without a dielectric is connected to a battery and has capacitance of 3.2 x 10-10 Farads and a charge of 8.8 micro-Coulombs on its plates. The distance between the plates of the capacitor is 2.6 cm.
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 200Vbattery, What is the charge on the positive electrode
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