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Find the solution of given problem:
Problem: The position of an object as a function of time is given in meters by x = (at + bt2)iˆ+ (ct)ˆj.
Part A: What is its velocity as a function of time?
I need help to determine its velocity as a function of time.
A system is changed from state A to state B, increasing its internal energy by 4 x 104 J while 6 x 104 J of heat is added. Obtain the work done by the system as its state is changed from A to B
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t, Estimate the capacitance of the cell ..
The nucleus of a typical atom is 5.0 fm 1 fm =10^-15 m in diameter. A very simple model of the nucleus is a one-dimensional box in which protons are confined. Estimate the energy of a proton in the nucleus by finding the first three allowed energi..
On an icy road, a 1200 kg car moving at 55 km/h strikes a 430 kg truck moving in the same direction at 43 km/h. Find the speed of the wreckage
A 140 kg astronaut (including space suit) acquires a speed of2.50 m/s by pushing off with his legs from an 1800 kg space capsule. What is the change in speed of the space capsule
A 46.0 {\rm kg} crate, starting from rest, is pulled across a floor with a constant horizontal force of 250 {\rm N}. For the first 11.5 {\rm m} the floor is frictionless, and for the next12.0 {\rm m} the coefficient of friction is 0.22. What is the f..
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
Imagine that in another universe the speed of the light is only 100 m/s. A man travelling along an interstate highway at 120 kilometer per hour ages, determine how much slower than a person at rest
An AA battery is connected to a parallel-plate capacitor having 4 diameter plates spaced 3 apart. How much charge does the battery move from one plate to the other.
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.5 m/s2; Find how much time is required for the entering car to catch up with the other car
How high will a 0.32kg rock go if thrown straight up by someone who does 119J of work on it? Avoid air resistance.
The motion of a particle is given by x = A sin^3(?t). What is the amplitude of the particle's motion
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