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5.4 J of energy is added to 7.8kg of water at 4.7 degrees Celsius. What is the final temperature of the water?
If at time t=0 the mass is at x=0 and moving to the left write the equation using the ideal gas law derive a formula for the pressure p in terms of the density
A rifle is used to shoot two bullets at a target, using identical cartridges. What is the distance between the two bullets
A 1200-turn coil of wire that is 2.1 cm in diameter is in a magnetic field that drops from 0.14 T to 0 T in 12 ms. What is the emf of the coil
two narrow slits 0.328 mm apart are illuminated by light of wavelength 600. nm. the light falls on a screen 1.58 m
The acceleration of gravity at the surface of the moon is approximately 1/6 that at the surface of the earth (9.8 m/s2). What is the weight of an astronaut standing on the moon
You're burning calories by weight lifting. You lift a 65kg barbell 1.7m, and repeat 10 times. How much energy in do you expend
The Sun's corona sends high energy protons and electrons towards the Earth (the Solar Wind). A typical solar wind proton has an energy of K=6.0 KeV (thousand electron volts). An eV (electron volt) is the kinetic energy an electron gains when it mo..
What are the coefficients of static and kinetic friction? If the force is not applied horizontally but in a direction 30 degrees above the horizontal
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 57.0. Dog A exerts a force of 280 N and dog B exerts a force of 340 N.
A diver springs upward from a diving board. At the instant she contacts the water, her speed is 8.90 m/s, and her body is extended at 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity
A syringe has an area of 1.5 cm2 at its barrel and then narrows down to an area of 0.11 mm2 at the needle end. what is the force produced at the tip of the needle
Wile E. Coyote and the Roadrunner are fictional cartoon characters. The premise of the cartoon is that Wile E. Coyote unsuccessfully tries to catch the very fast and clever Roadrunner. What is the momentum of the second wagon after the collision
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