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An insulated container of negligible mass holds 0.200 kg of water and 0.05kg of ice in thermal equilibrium at atmospheric pressure. A 0.800kg piece of metal at an initial temperature of 400C is placed into the ice water mixture. The final temperature of the system is 30C. Assume no heat is lost to the surroundings and calculated the specific heat capacity c of heat?
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps, How long is the lamp chain
A 2.9-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. Determine the initial speed the box would need in order to compress the spring by 1.2 cm
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
a gamma ray of 2.75 mev from 24na undergoes pair production in a lead shield. a how much kinetic energy mev is shared
From point B, the ball was in the air 2.0 seconds and traveled a horizontial distance of 16.2 meters before hitting the ground. Illustrate with what velocity did the ball leave her hand at point B?
(a) A 5.00-µF capacitor is connected to a 15.0-V battery. How much energy is stored in the capacitor? (b) Had the capacitor been connected to a 6.00-V battery, how much energy would have been stored?
The outfielder throws a baseball with an initial speed of 10 m/s. An infielder catches the ball at the level 1 m lower, what work is done by air resistance
The distance between successive crests of a sound wave is 33m. what is the approximate frequency of the sound wave
A projectile of mass 350-g is accelerated from rest at 8.25 m/s2 for 3.5s. Calculate how fast the ball and embedded projectile are after the collision
A 304 turn solenoid has a radius of 5.00 cm and a length of 20.0 cm, Find the inductance of the solenoid
An object has a kinetic energy of 279 J and a momentum of magnitude 24.3 kg·m/s. Find the speed and the mass of the object
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants
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