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A 220 g bird flying along at 6.69 m/s sees a 8.2 g insect heading straight toward it with a speed of 22.66 m/s. The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed immediately after swallowing?
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the horizontal acceleration of the block
An object of mass m= 1.00 kg is moving initially with a speed of 2.0 m/s along positive x- direction, Determine the speed and direction of motion of second object
A 100 kg crate is pushed at constant speed up the frictionless 31° ramp shown in the figure. What horizontal force F is required
A disk has radius R = 1.20 cm. Its surface charge density is 1.70 x 10-6 C/m2 from r = 0 to r = R/2 and 9.10 x 10-7 C/m2 from r = R/2 to r = R, What is the total charge (in C) on the disk
two singly charged ions moving perpendicular to a uniform magnetic field B=0.4T each has a speed of 500 km/s, calculate the difference in masses of the two ions
two small beads having positive charges 3q and q are fixed at the opposite ends of a horizontal, insulating rod, extending from the origin to the point x=d. a third small chatged bead is free to slide on the rod. at what position is the third bead..
An electric motor rotating a workshop grinding wheel at a rate of 9.20x101 rev/min is switched off. How long does it take for the grinding wheel to stop
A 14,240N car is traveling along a highway at 95.0 kn/hr. If the driver immediately applies his breaks, what average force acted upon the car
Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 2.8 . Two of the particles have a negative charge: = -6.7 and = -13.4 . The remaining particle has a positive charge, = 8.0 . What is ..
A 66 kg solid sphere with a 14 cm radius is suspended by a vertical wire. What is the period of the oscillations
A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts, What is the work function of the metal and what is the cutoff wavelength
An emf is induced in a conductin loop of wire 1.03 m long as its shape is changed from square to circular. Find the average magnitude of the induced emf if change in shape occurs in 4.15s and the local 0.131-T magnetic field is vertical to the pla..
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