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While traveling along a level highway at a speed of 27m/s you shift the vehicle into neutral and find it takes 45 second to slow down to 20 m/s mile per hours.
a 0.5 kg block of aluminum is heated to 200 degrees C. The block is then quickly placed in an air insulated tub of cold water at 0 degrees C and sealed. compute the final temperature of the water and block
Sound with a frequency of 431 Hz travels through steel. A wavelength of 11.27 m is measured. determine the speed of the sound in steel
1. How much charge has been transferred from the negative to the positive terminal? Express your answer using two significant figures. 2.How much work has been done on the charges that passed through the battery? Express your answer using two sign..
A parallel plate capacitor is connected to a battery. The space between the plates is filled with air. Find the electric field inside the dielectric
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. What is the stopping distance of the car
A baseball outfielder throws a 0.150-kg baseball at a speed of 40.4 m/s, What is the kinetic energy of the baseball at the highest point of its trajectory
A horizontal force of magnitude 100 N begins to pull directly on block. In unit-vector notation, what are the resulting accelerations of (a) block and (b) slab.
Water at 25 degrees celius is pumped from 100kPa to 5MPa in a pump with an efficiency of 75%, Calulate the temperature rise in the real pump
How high will a 1.85 rock go if thrown straight up by someone who does 75 of work on it? Avoid air resistance.
Larry is standing at the edge of a vertical cliff 210m about the sea. how far has the rock traveled horizontally when it hits the water
An airplane is flying with a velocity of 93at an angle of 25 above the horizontal. When the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
consider a metal rod, length = .30m, cross sectional area=0.0010m^2, temperature difference between the ends is 65*C. What is the thermal conductivity of the metal
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