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Virtual images formed by a convex mirror are always
a. on the side of the mirror opposite the source.
b. on the similar side of the mirror as the source but closer to the mirror than the focal point.
c. on the similar side of the mirror as the source but closer to the mirror than the source.
d. on the similar side of the mirror as the source but further from the mirror than the focal point.
A person of mass 75kg stands at the center of a rotating merry-go-round platform of radius 3.5mand moment of inertia 920kg?m2. compute the angular velocity when the person reaches the edge
A 3800 kg car travels round an unbanked corner(i.e. a horizontal road) at the recommended speed of 65 km h-1. What forces would the road need to exert if the car was traveling at 100 km h-1
An alpha particle (charge 2e) is sent at high speed toward a gold nucleus. The electric force acting on alpha particle is 91 N when it's 2.00 x 10^(exponent)-14m away from the gold nucleus What is the charge on gold nucleus, as a whole number mult..
A common flashlight bulb is rated at 0.30 A and2.8V (the values of the current and voltage under operating conditions). what is the temperature of the filament when the bulb is on
two loudspeakers in a 20 room emit 678 sound waves along the x-axis. what is the smallest distance between the speakers
Short pulses of laser light traveling in the x-direction with a diameter of 1 mm are incident on a perfect mirror. The pulses are 10^-13 seconds long and have a repetition rate of 10 Hz, each with an energy of 1 mJ.
Two objects attract each other gravitationally with a force of 2.5 x10-10 N while they are 0.33 m apart. Their total mass is 4-kg. Find out their individual masses.
A 10-cm length of wire carries a current of 3.0 A. What is the magnitude and direction of the force on this segment of wire
A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.023 m/s (seethe drawing). The loop is leaving a region in which a 2.0 T magnetic field exists;
You pull downward with a force of 30N on a rope that passes over a disk-shaped pulley of mass 1.2kg and radius 0.075m, Find the linear acceleration of the 0.69kg mass.
In 1.8 µs, an electronmoves 23 cm in the direction ofa 0.22 T magnetic field. Theelectron's velocity components perpendicular and parallel to the field are equal.
A 240g block on a 60cm-long string swings in a circle on a horizontal, frictionless table at 70rpm.
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