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A particle with mass m and velocity v=650i-12j+45k collides elastically with another particle of mass 4m and velocity v=23i+13k. What are the final velocities of the particles?
A 47-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord
You have been asked to design a "ballistic spring system" to measure the speed of bullets. Find an expression for the bullet's initial speed
A rock is thrown vertically up at 6.7 m/s. Has the rock made it to the highest point in the path
you are bowling and have one pin left standing. you roll the 10kg bowling ball at a velocity of 1 m s into the 1kg pin
Objective: Apply Newton's three laws of motion and the law of universal gravitation. Assignment Instructions: We usually credit the beginning of modern science to Galileo, while the work of Newton helped to describe gravity and the causes of planet..
A large fish hangs from a spring balance supported from the roof of an elevator. What will the balance read if the elevator cable breaks
two charges e and -e are a distance of 0.620 nm apart in an electric field e that has a magnitude of 3.55 knc and is
An 8.66g bullet is fired into a 260g block that is initially at rest at the edge of a table of h = 1.07 m height, What is the initial horizontal velocity of the block as it flies off the table
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.50 × 10-10 T. How much energy does this wave carry through the window during a 30 s phone call
Four point charges have the same magnitude of 2.47 x 10-12 C and are fixed to the corners of a square that is 3.65 centimeter on a side. Find the magnitude of the net electric field that exists at the center of the square
Erin is late to physics class and is coming down the hall as the bells are ringing. There are two bells in the hall, 1 at the far end, and 1 in front of the classroom she is approaching. Each rings with a frequency of 500Hz. aserin comes down the hal..
A 18.3-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 65.1-N horizontal force. compute the ropes angle from the vertical
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