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1. A car undergoes a displacement of 500m due east, followed by another displacement due south of 1200m.
a) Calculate the total distance traversed by the car.
b) Calculate the total displacement of the car.
If we observe a star's spectrum and find that the peak power occurs at the border between red and infrared light, what is the approximate surface temperature of the star
A 7.9-N force pulls horizontally on a 1.6-kg block that slides on a smooth horizontal surface. What is the acceleration of the blocks
Photographic cameras on spy satellites supposedly can read the license plate of a car on the ground. How large is the diameter of the camera required for such a feat
An inexperienced hunter shoots at a squirrel sitting in a tree. The squirrel is sitting on a branch that is 22 m above the gun barrel, Write the initial velocity of the bullet in vector form
300 J of work are done to compress the gas as, in the same process, 1200 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
Compute the horizontal distance the ball
An object is placed 8cm in front of a converging lens with a focal length of 18cm. What is the lateral magnification
How many electrons would have to be added to one of these spheres to make it electrically neutral?
A transformer is to be used to provide power for a computer disk drive that needs 7.0 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
A house sits in a valley and is 30 m lower than the water tower that serves it. What is the speed of water when it sprays out of a shower in the house?
what is the smallest value d can have before the string breaks?
Air at 25 oC blows over a heated steel plate with its surface maintained at 200 oC. Calculate the heat loss per hour from the top surface of the plate
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