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A 25.0 g object moving to the right at 22.0 cm/s overtakes and collides elastically with a 7.0 g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collisi
A 1.0 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 41.0 cm/s. W
The work done by friction on the rock when it moves from point to point at the bottom of the bowl has magnitude 0.22 .Just as the rock reaches point, what is the normal force on it due to the bottom
By how much does the temperature of the midsection of the paper clip increase if all the energy goes into the internal energy of this section, which has a mass of 0.102 g?
What is the maximum mass of lead you could melt with 1000;{rm J} of heat, starting from 20^circ rm C?
Find the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 3.0 s while the forces are acting.
A 0.225 kg sample of tin initially at 97.5C is dropped into 0.115 kg of water. The initial temperature of the water is 10.0C. If the specific heat capacity of tin is 230 J/kg C, what is the final eq
It leaves the track horizontally, flies through the air, and subsequently strikes the ground. The acceleration of gravity is 9.81 m/s^2. What is the spring constant? answer in units of N/m.
The gas is expanded isothermally and irreversibly against a constant pressure equal to the final pressure, pex = pf = 2.00 atm.
A car is driven 125 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
An ionization chamber was exposed to gamma rays and 2x10^12 ion pairs were produced per gram of CO2 (W=33 ev/ip). What was the absorbed dose in the carbon walls?
A 2.4-kg ball is shot directly upward into the air, with an initial speed of 7.8 m/s. The ball is fired from the ground. 1. What's the maximum height the ball will reach?
A current of 10^-14 A is produced in a free-air chamber operating under saturation conditions. The sensitive volume, in which electronic equilibrium exists, contains 0.22g of air. What is the expos
A 1.15 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.130 m. Find th
If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
Assuming that the average gauge pressure in the artery is 13.3 kPa and the density of the electrolyte solution is 1030 kg/m3, what is the minimum height h in order for the infusion to work?
A car moves along an x axis through a distance of 900 m, starting at rest (at x = 0) and ending at rest (at x = 900 m). Through the first of that distance, its acceleration is +2.25 m/s2. Through t
The center of the screen and the fourth-order bright band is 18degrees. The screen is 141cm from the double-slit. What is the distance between the two slits?
A block rest on table top undergoing simple harmonic motion (a(tabletop)= -2 pi/T)^2 x, of amplitude A and period T with vertical oscillations. Discuss motion in acceleration frame of the tabletop a
What will be the equilibrium temperature when a 233 g block of copper at 288 C is placed in a 138 g aluminum calorimeter cup containing 844 g of water at 13.2 C?
The wheel slows down (because of friction) to 5.2 rev/hr in 27 s. What was the power of the motor that kept the wheel rotating at 6.5 rev/hr despite friction?
Calculate the gravitational potential energy associated with a 4.51-kg object at the surface of the white dwarf.
The force applied to the cart in the above Question by spring scale FA is still 10.5 N. The cart now moves toward the right with an acceleration also toward the right of 1.75 m/s^2. What is the mag
A skier weighing 90 kg starts from rest down a hill inclined at 17. He skis 100 m down the hill and then coasts for 70 m along level snow until he stops. Find the coefficient of kinetic friction be