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A high-speed railway car goes around a flat, horizontal circle of radius 480 meter at a constant speed. The magnitudes of the horizontal and vertical components of the force of the car on a 65.0 kilogram passenger are 216 Newton and 637 Newton, correspondingly.
(a) Find the magnitude of the net force (of all the forces) on the passenger?
(b) Compute the speed of the railway car?
What is the number of conduction electrons. A centrifuge rotor has a moment of inertia of 3.40 x10-2 kg·m2. How much energy is required to bring it from rest to 8000 rpm.
A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance x from the wall. What is the minimum value of x for that the stick will remain in equilibrium.
In case A, a metal bullet penetrates a wooden block, In case B, a rubber bullet with the same initial speed and mass, bounces off of an identical wooden block. Will the speed of the bullet in case B after the collision be or = of speed just before ..
A block is given an initial velocity of 5.00 m/s up a frictionless 20.0 degree incline. Determine how far up the incline does the block slide before coming to rest
Your friend's 15.3 graduation tassel hangs ona string from his rearview mirror. When he accelerates from astoplight, the tassel deflects backward toward the rear of the carat an angle of 5.16 relative to the vertical.
One component of a magnetic field has a magnitude of 0.028 T and points along the +x axis, Find the magnitude of the net magnetic force that acts on the particle
A loop of wire carrying a current of 2.0 A is in the shape of aright triangle with two equal sides, each 15 cm long. A 0.7 T uniform magnetic field is in the plane of the triangle and is perpendicular to the hypotenuse. discover the magnetic force on..
A charge of -2.05 nC and a charge of -6.20 nC are separated by a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be positioned ( from the -2.05 nC charge) so that net electrostatic force on it is zero.
Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when it emits this photon
q1. a 52 kg person escapes from a burning building by jumping from a window 50 m above a catching net. assuming that
A divers lungs hold 0.0050 m^3 of air at sea level, where the pressure is 101.3 kPa. what is the volume of the air in his lungs at a depth of 3 m
What is the rms current in a series RC circuit if R = 6.0 kohm . C = 0.80 muF, and the rms applied voltage is 120 V at 60 Hz? What is the phase angle between voltage and the current? What is the power dissipated by the circuit? What are the voltmeter..
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