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A sound wave, traveling at 357 meter per second, is emitted by the foghorn of a tugboat. An echo is heard 1.73 second later. Determine how far away is the reflecting object?
Answer in units of m
The Superconducting magnet for the experimental MRI studies at a laboratory is a 1 m long solenoid of 60 cm diameter, What is the inductance of the magnet?
A wheel rotating about a fixed axis has an angular position given by q = 3- 2.0t3, where q is measured in radians and t in seconds. What is angular acceleration of the wheel at t = 2.00s.
A man of mass 62.3 kg stands on a scaffold supported by avertical rope at each end. The scaffold has a mass of 24.6 kgand is 3.7 m long. Suppose the man stands to the right fromthe middle of the scaffold that is a distance one sixth of the length ..
Nicole throws a ball straight up. Chad watches the ball from a window 5.80 above the point where Nicole released it. How fast did Nicole throw the ball
A disk, a solid sphere, and a hollow spherical shell of the similar mass and radius are released at the similar time at the top of an inclined plane. Determine which object will finish the race the fastest and the slowest
Consider a wheatstone bridge. Suppose a resistance Rx is istalled as the unknown, and the bridge is balanced giving a potentiometer divider ratio S_o. Now leave the potentiometer alone but let the unknown resistance change by a small amount DeltaR..
A 17-kg projectile is fired at an angle of 60° above the horizontal and with a speed of 240 m/s. At the highest point of its trajectory the projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial spe..
A 5.0 kg hanging weight is connected by a string over a pulley to a 9.0kg block sliding on a flat table. If the coefficient of sliding friction is 0.20; what is the rate of acceleration of the system?
a cylindrical tank is 50.0 ft deep 31.0 ft in diameter and filled to the top with water. a flashlight shines into the
A ball of mass 180 g is released from rest at a height of1.50 m above the floor and it rebounds straight up to a heightof 0.700 m. what was the average force the floor exerted on the ball
The coefficient of static friction among the floor of a truck and a box resting on it is 0.26. The truck is traveling at 84.1 km/hr. What is the least distance in which the truck can stop and ensure that the box does not slide?
In being served, a tennis ball is accelerated from rest to a speed of 48.0 m/s. The average power generated during the serve is 2920 Watt. obtain the force acting on the ball
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