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The image formed by a convex mirror is 0.15 meter behind the mirror. The radius of curvature of the mirror is 0.50 meter. Obtain the distance of the object with respect to the mirror?
The armature of a shunt motor has a mass of 250 kg and a diameter of 30 cm. assume the mass of the amature is evenly distributed in the armature. find the rotational inertia of the armature.
Cloud droplets cannot grow into rain droplets by condensation alone. How would you have to alter the basic assumption of this example to make cloud droplets grow to raindrops by condensation only?
Two blocks (A and B) are in contact on a horizontal frictionless surface. A 40N constant horizontal force is applied to A. The mass of A is 5.0kg and the mass of B is 20kg
A uniform electric field of magnitude 256 V/m is directed in the negative y direction. Through what potential difference did the charge move
A small bird's wings can undergo a maximum displacement amplitude of 4.8 cm (distance from the tip of the wing to the horizontal). what is the oscillation frequency of the wing tips
What is the minimum coefficient of static friction between the road and the tires on a car for the car to go around a flat curve at 45.0 mph
A typical car weighs about 3500 lb. what is the approximate edge size of the square area with which each tire contacts the ground
A 7.00g coin is placed 17.0cm from the center of a turntable. What is the maximum angular velocity with which the turntable can spin without the coin sliding
n = 2.90 mol of Hydrogen gas is initially at T = 370 K temperature and pi = 2.27×105 Pa pressure. What would be the temperature of the gas, if the gas was allowed to adiabatically expand back to its original pressure
A figure skater is spinning with an angular velocity of +14 rad/s. She then comes to a stop over a brief period of time. Determine the time during which she comes to rest
A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 16.1 s. The acceleration of gravity is 9.8 m/s2 .
A 5-kg projectile is fired over level ground with a velocity of 200m/s at an angle of 25? above the horizontal. Just before it hits the ground its speed is 150m/s.Over the entire trip the change in the internal energy of the projectile and air is:
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