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1) In any collision, if we find that momentum is NOT conserved, it must mean thatA) the digital video camera used to record the eventmalfunctioned.B) none of the aboveC) there must be net external force/forces acting.D) we have made a human error.E) Newton's 2nd Law works in only limited cases.2) A puck slides with initial velocity 2.0 m/s on a frictionless surface and collides (head-on)inelastically with an identical puckat rest. The pucks stick together after the collision. What is the final velocity of the two pucks?A) 0.50 m/sB) 0.25 m/sC) 1.5 m/sD) 1.0 m/sE) 2.0 m/s3) In this inelastic collision lab, which of the following factorswe do not include in our calculations?A) angles between velocity vectors and collision axisB) rotation of the pucks after the collisionC) mass of the pucksD) velocity of the pucksE) none of the answers
bob throws a golf ball horizontally at 9 ms off a the top of a hospital building and hears it hit the parking lot 3.2
q1. a book with a mass of 2.0 kg is held in equilibrium on a board with a slope of 60.0 degrees by a static frictional
A mass of gas occupies a volume of 4.3 L at a pressure of 1.8 atm and a temperature of 345 K. Determine the final pressure
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 17.0 m/s. With what speed and angle of impact does the stone land
Two carts collide in a perfectly elastic collision. Cart A has a mass of 0.5 kg and an initial velocity of 0.19 m/s. What is the final speed of each cart
the old baker bowl centerfield fence was about 408 feet from home plate. home run balls needed to be at least 35 feet
you throw a superball so that it bounces off the floor then off the underside of a table then off the floor again. what
After a tornado, a 0.50-g drinking straw was found embedded 4.5 cm in a tree. What was the straw's speed
An 8.54kg block of ice at 0 %u2218C is sliding on a rough horizontal icehouse floor (also at 0 %u2218C) at 15.2m/s, What is the maximum amount of ice that will melt
A car with mass M traveling with speed V has a kinetic energy KE. What is the kinetic energy of a second car that has mass M/2 and travels with speed 2V
need to determine the mass of jupiters moon sinope with the given formula m1 a3p2. sinopes period of orbit is 2.075
A wheel rotating about a fixed axis has an angular position givenby θ = 3 - 2t3, where θ is measured in radiansand t in seconds. What is the angular acceleration of the wheelwhen t = 2.0 seconds?
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