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Problem: A 1300-kg car rolling on a horizontal surface has speed v = 50km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2m.
Part I: What is the spring stiffness constant of the spring?
Please show all work and steps to find the spring stiffness constant of the spring and express your answer using two significant figures.
A prism with angles 45ο , 45ο,and 90ο is to be utilized to turn a beam of light during a 90ο angle. What is the minimum index of refraction for the material of the prism that will give the total internal reflection required?
It again strikes the floor. Find (c) the time interval from when the ball was launched to when the ball strikes the floor and (d) the horizontal distance from the point where the ball was launched to the point where the ball strikes the floor.
Suppose the pressure in a container of soda is 15 atm. At 25oC, the Henry's Law constant for CO2 in water is 1.61 x 103 atm. Estimate the mole fraction of dissolved carbon dioxide in the soda
A car tire is pressurized in the morning at a temperature of 200C to 2atm. By afternoon at a temperature of 350C the tire pressure has changed to 2.1atm but the volume has decreased by 2%.
Discover the electric energy density among the plates of a 225-?F parallel-plate capacitor. The potential difference among the plates is 345V , and the plate separation is 0.294mm .
A 368g oscillator has a speed of 98.5cm/s when its displacement is 2.70cm and 72.0cm/s when its displacement is 5.00cm. What is the oscillator's maximum speed?
You heat a 507 cm3 sample of a substance from 131 °C to 265 °C, Calculate the coefficient of volume expansion of this substance
four point charges are arranged in a square with side length 1 meter. charges qa and qd have charges of q 1 uc and
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 18 m/s at an angle 38 degrees; by respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. Wha..
a uniformly charged thin rod is l meters long. the total charge on it is q coulombs. its placed along the positive y
a simple pendulum with a length of 1.93 m and a mass of 6.54 kg is given an initial speed of 2.46 ms at its equilibrium
A thin metal film of length 3.00 cm, width of 0.750 cm, and thickness of 21.0 micrometers is used to measure the Hall effect. Calculate the drift velocity of the charge carriers
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