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At t1 = 1.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is A1=(3.00m/s^2)i +(5.00m/s^2)j At t2 = 3.00 s (less than one period later), the acceleration is A2=(5.00m/s^2)i - (3.00m/s^2) The period is more than 2.00 s. What is the radius of the circle? number and units?
A mass of 1 kg is hung vertically from a spring stretching the spring .20 m. It is then pulled .10 m below its equilibrium position, find the time to make one complete cycle
Two mirrors meet at a 127° angle. If light rays strike one mirror at 40° as shown, at what angle ? do they leave the second mirror.
An electron moves in the xy plane with a speed of 3.75 x 106 m / s at an angle 600 with the x-axis 300 and the axis. A magnetic field of 0.85T is in the positive direction of axis y. Find the magnetic force on the electron.
An electron that has velocity vector v = (3.4 106 m/s) i hat + (2.9 106 m/s) j hat moves through a magnetic field vector B = (0.03 T) i hat - (0.15 T) j hat. Find the force on the electron
question a force of 75n is applied horizontally to a box of mass 10kg moving with an initial speed of 4ms on a level
While taking photographs in Death Valley on a day when the temperature is 58.0°C, What current does he register there if the temperature is -88.0°C
A small town stores its drinking water in a tower. What should be the tower's height
A satellite has a mass of 5950 kg and is in a circular orbit 4.60 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 106 m. What is the true weight of the satellite when it is at rest on the pl..
A spaceship in distress sends out two escape pods in opposite directions. One travels at a speed v1 = 0.60c in one direction, What speed does the first escape pod measure for the second escape pod
A 1.5 kg box slides down a frictionless incline of angle . It starts from rest at t=0 at the top of the incline at a height of 22 m above the ground. What is the potential energy of the box relative to the ground at t=0
An object starts from rest and accelerates uniformly in a straight line in the positive x direction. After 11 seconds, its speed is 70.0 m/s. What was the objects displacement at this time
Calculate the pressure of the blood in the brain and in the feet of a pearson when standing. The average pressure of the blood in the heart is 1.3×104N/m2 above atmospheric pressure
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