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A 1.2-cm-tall object is 15cm in front of a concave mirror that has a 66cm focal length.
1. Compute the position of the image.
2. Compute the height of the image.
A helicopter (m=1250 kilogram) is cruising at a speed of 25.0 m/s at an altitude of 185 meter. Find the total mechanical energy of the helicopter
A car is traveling around a horizontal circular track with radius r = 150 m at a constant speed v = 28 m/s as shown, What is the magnitude of the car's acceleration, What is the x component of the car's acceleration when it is at point A
The closest star to our solar system is Alpha Centauri, which is4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earthtravels toward the star. How much time would elapse on a clock on board the spaceship?
a person scuffing her fee on a dry day accumulates a net charge of -42 uc. how many excess electrons does she get and
Two 6 m long mirrors stand vertically and are parallel to each other 0.6 m apart. A ray of light reflects off the very bottom of the mirror on the right with an angle of reflection of 49 degrees and bounces back and forth between the mirrors over th..
A charge -305e is uniformly distributed over one face of a circular disk of radius 2.90 cm. What is the surface charge density over that face
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.00s. At the end of this time, the boatcontinues for an additional 6.00s with an acceleration of +0.518m/s2. Following this, the boat accelerates at -1.49m/s2 for 8.00s.
A turntable has a moment of inertia of 0.030 kg-m2 and spins freely on a frictionless bearing at 25 rev/min. Determine the new rate of rotation of the system
your sister wants to participate in the yearly science fair at her high school and asks you to suggest some exciting
an object that is 5 cm in height is placed 15 cm in front of a diverging lens with a focal length of -35 cm. what is
A 2,000 m wide river has a current of vector(v) = 2 i m/s. A boat which has a maximum speed of 5m/s with respect to the river, What is the velocity of the boat with respect to the bank
A horizontal force of 50 N pushes a box that weighs 75 N across the floor at a constant speed. What is the power generated by the applied force if it takes 30 seconds to push the box 12 meters
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