Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A ball (mass m = 250 g) on the end of an ideal string is moving in circular motion as a conical pendulum as in the figure in the previous problem. The length L of the string is 1.8 m and the angle with the vertical is 37o .
(a) What is the magnitude of the torque (N m) exerted on the ball about the center of the circle of motion?
(b) What is the direction of the torque exerted on the ball about the center of the circle of motion?
(c) What is the magnitude of the angular momentum (kg m2 /s) of the ball about the center of the circle of motion?
(d) What is the direction of the angular momentum of the ball about the center of the circle of motion?
A 2900-kg test rocket is launched vertically from the launch pad. Its fuel (of negligible mass) provides a thrust force so that its vertical velocity as a function of time is given by v(t)=At+Bt2.
The energy of a simple harmonic oscillator could be doubled by increasing the amplitude by a factor of approximately
A marble has mass .9kg it is released from height=3m down a ramp into a loop-the-loop of radius=1. At the top of the loop-the-loop, what is the force the track exerts on the marble
The primary coil of a transformer has N1 = 4.00 102 turns, and its secondary coil has N2 = 1.20 103 turns. If the input voltage across the primary coil is ?v = (140 V) sin ?t, what rms voltage is developed across the secondary coil? V
A rocket is accelerated to speed 45300 m/s near Earth'ssurface (where Earth's radius is Re= 6370 km.), and it then coasts upward. Find the ratio of its speedto the escape speed on Earth
what speed does boxcar have after 10 seconds.What is the object's displacement Dx.
A 5.00 g bullet is fired into a 500g block of wood suspended as a ballistic pendulum. What was the magnitude of the momentum of the combined mass immediately after the collision
The cars stick together and move as a unit after the collision, at an angle of 47.0° north of east and at a speed of 6.36 m/s. Find out the speed of the 3000 kg car before the collision.
You are arguing over a cell phone while trailing an unmarked police car by 25.0 m; both your car and the police car are traveling at 120 km/h. What is the separation between the two cars when your attention finally returns
A proton and an electron are held apart a distance of one meter, Calculate the electric force F between them and Show the electric force vector on each of them
a vw beetle goes from 0 to 64.8 mih with an acceleration of 2.34 ms2.a how much time does it take for the beetle to
The nucleus of 8Be, which consists of 4 neutrons and 4 protons, is very unstable and spontaneously breaks into two alpha particles, Find the initial magnitude of the acceleration of the alpha particles due to this force
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd