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A 1.5kg- block of ice is initially at a temperature of -3.0C a)If 6.0×10^5 of heat are added to the ice, what is the final temperature of the system? b)Find the amount of ice, if any, that remains c)Suppose the amount of heat added to the ice block is doubled. By what factor must the mass of the ice be increased if the system is to have the same final temperature?
A vertically hanging steel wire has the following properties. Length=8.75m, Cross-Sectional area= 0.375 cm cubed. Y=2.10x10^11 Pa, B=1.62x10^11 Pa, S= 0.871x10^11 Pa, Proportional Limit=3.27x10^8 Pa, breaking stress=17.4x10^8 Pa.
At t = 0, a particle leaves the origin with the velocity of 9 m/ s in the positively direction and moves in the x y plane with a constant acceleration of (2.0i - 4.0j) m/ s2. At the instant the x coordinate of the particle is 15m, what is the spee..
An owl is chasing a squirrel and is using echolocation (the reflection of sound) to aid in the hunt. If the squirrel is 40.5 m from the owl, how long does it take sound to travel from the owl to the squirrel and then back to the owl? (Use 343m/s a..
When a surfer rides an ocean wave on her surfboard she is actually riding on. a. a crest that is toppling over. b. a trough of the wave. c. The rest position of the wave. d. A region of rarefaction.
What is the centripetal force that would be required to keep a 4.0 kg mass moving in a horizontal circle with a radius of 0.80 meters at a speed of 6.0 meters/second?
A circular wire loop of radius 13cm carries a current of 3.66 A. It is placed so that the normal to its plane makes an angle of 34.8° with the uniform magnetic field of magnitude 9.70 T.
Discuss briefly centripetal acceleration, the speed and the force exerted by a ball attached to a string.
Azelastine hydrochloride is an antihistamine nasal spray. A standard size container holds one fluid ounce (oz) of the liquid. You are searching for this medication in a European and are asked how many milliliters (mL) there are in 3.7 fluid ounces..
Evaluate maximum altitude?
A transverse pulse moves along a stretched cord of length 5.29 m having a mass of 0.180 kg. If the tension in the cord is 13.4 N, find the following. (a) The wave speed. (b) The time it takes the pulse to travel the length of the cord.
Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.
A baseball is thrown horizontally at the catcher, who is 60.0 ft away. It is thrown with a velocity of 87.5 mph. How far does the baseball fall during this pitch.
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