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A 10.0 g object moving to the right at 15.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 34.0 cm/s. Find the velocity of each object after the collision. 10.0 g object cm/s 15.0 g object cm/s.
A rescue helicopter lifts a 91.2-kg person straight up by means of a cable. What is the tension in the cable
An electronic device dissipating 30 W has a mass of 20g and a specific heat of 850 J/kgoC. The device is lightly used, and it is on for 5 min and then off for several hours, throughout which it cools to the ambient temperature of 25 o C.
q1. a gun shoots bullets that leave the muzzle with a speed of 326 ms. if a bullet is to hit a target 172 m away at the
A 723-N person stands on a uniform board of weight 282 N and length 6.1 m. How far from the left end of the board is the person standing
A dentist wants a small mirror that, when 3.00 cm from a tooth, will produce a 4.5X upright image. What must its radius of curvature be
Venus has a mass of 4.87 1024 kg and a radius of 6.05 106 m. Assume it is a uniform solid sphere. What is the rotational kinetic energy of Venus on its axis
A long, straight wire carries a current of 48.9 A. The magnetic field produced by this current at a certain point is 7.80E-5 T. How far is the point from the wire
A basketball star covers 2.85 m horizontally in a jump to dunk the ball, Determine his horizontal velocity at the instant of takeoff
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. Because of these charges, What is the magnitude of the electric field in the membrane
Once a traffic light turns green, a car speeds up from rest to 50 mi/h with constant acceleration 9 mi/h • s. In the adjoining bike lane, a cyclist speeds up from rest to 20mi/h with constant acceleration 13mi/h.
q1. a 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. find the image position and
prepare a 750- to 1050-word paper in which you analyze your articles. address the following define consumer psychology.
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