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A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, the area of the rectangle becomes 51.00 cm2. Calculate the length of the longer of the two sides of the initial rectangle.
A 9 kg mass slides to the right on a surface having a coefficient of friction 0.37 as shown in the figure. The mass has a speed of 5 m/s when contact is made with a spring (of con- stant 107 N/m)
The length of a simple pendulum is 0.85 m and the mass of the particle (the "bob") at the end of the cable is 0.29 kg. Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as..
A truck tractor pulls two trailers, one behind the other, at a constant speed of 100 km/h. For what duration of time is all or part of the truck-trailer combination on the bridge
The work done on 2.45 moles of an ideal gas is -3.35 x 104 J during a process in which the temperature remains constant and the volume changes from 2.14 m3 to 7.28 m3? What is the temperature in Celsius
A spherical mirror is polished on both sides. When utilized as a convex mirror, the magnification is +1/4. What is the magnification when utilized as a concave mirror, the object remaining the similar distance from the mirror? Give your answer to thr..
8.2 moles of an ideal monatomic gas expand adiabatically, performing 8900 Joule of work in the process. Find the change in temperature of gas during this expansion
An object is dropped from the top of a tower at a height of 44.1 m. How much time does the object take to reach the ground
A baseball catcher puts on an exhibition by catching a 0.150-kg ball dropped from a helicopter at a height of 100m above the catcher. what average force is exerted on the mitt by the ball
A person takes a trip, driving with a constant speed of 95.5 km/h, except for a 24.0-min rest stop. The person's average speed is 65.4 km/h. How far does the person travel
A shop sign weighing 230 N is supported by a uniform 115 N beam as shown in Fig. 9-54. find the vertical forces exerted by the hinge on the beam
A uniform 2.45- kg spinning disk with a radius of 0.253 m is brought to rest by a brake-pad pressed against the side 0.200 m from the rotation axis. The wheel is brought to rest from an angular velocity of 18.7 rad/s in a time of 21.1 s. What frictio..
Two events occur in an inertial system at the same time, but 7200 km apart. What is the time difference between the two events
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