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The linear momentum of a 1500kg car increased by 7.40×103 kgm/s in 11.9 s.
What is the magnitude of the constant force that accelerated thecar?
By how much did the speed of the car increase?
A circuit is made from a capacitor and inductor only. The switch is initially open and the capacitor initially carries a charge Q0 = +10 microC on the top plate and -Q0 on the bottom plate, How long does it take to reach that current for the first..
Determine the theoretical equation for the dependence of Period of the Physical Pendulum to location of the pivot point for a solid bar of length L. This will be T(x) - Period as a function of pivot point position. Mathematically determine minima ..
A coffee filter of mass 1.2 grams dropped from a height of 3 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did air molecules gain from the falling coffee filter.
Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. One is a woman and one is a man. find the recoil velocity of the man relative to the ice
You are designing the section of a roller coaster ride shown in the figure. Previous sections of the ride give the train a speed of 11.9 m/s at the top of the incline, FIND the minimum radius you can use for the semi-circular hump
A block of rock has dimensions of 2m x 2m x 2m and a density of 3000kg/m^3. The weight of the rock produces a normal stress on its bottom side. Calculate the magnitude of the normal stress on this side.
A diver shines a flashlight upward from beneath the water at a 43.7 %u2218 angle to the vertical. At what angle does the light leave the water
An airplane is flying at 165.1mi/h (its speed in still air) in a direction such that with a wind of 64.4mi/h blowing from east to west, What must be the plane's heading (direction) for it to fly directly south
Two children carry a lightweight 2.4m -long horizontal pole with a water bucket hanging from it. How far is the bucket from the older child
q1. a parallel-plate capacitor is formed from two 2.0 rm cm times 2.0 rm cm electrodes spaced 5.0 rm mm apart. the
Using Heisenberg Uncertainty Principle, estimate fastest possible decay lifetime for a nuclear decay with an energy scale 1MeV
A cylinder of solid material weight 10.5 kg i the air, and 9.00 kg when submerged in water and 3 kg when submerged in another liquid. determine the density of the cylinder
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