A light block of mass m and a heavy block of mass M are attached to the ends of a rope. A student holds the heavier block and lets the lighter block hang below it, as shown in Figure Q5.6. Then she lets go. Air resistance can be neglected. Figure Q5.6 a. What is the tension in the rope while the blocks are falling, before either hits the ground? b. Would your answer be different if she had been holding the lighter block initially?
A light block of mass m and a heavy block of mass M are attached to the ends of a rope. A student holds the heavier block and lets the lighter block hang below it, as shown in Figure Q5.6. Then she lets go. Air resistance can be neglected. Figure Q5.6 a. What is the tension in the rope while the blocks are falling, before either hits the ground? b. Would your answer be different if she had been holding the lighter block initially?
A light block of mass m and a heavy block of mass M are attached to the ends of a rope. A student holds the heavier block and lets the lighter block hang below it, as shown in Figure Q5.6. Then she lets go. Air resistance can be neglected.
Figure Q5.6
a. What is the tension in the rope while the blocks are falling, before either hits the ground?
b. Would your answer be different if she had been holding the lighter block initially?
A light block of mass m and a heavy block of mass M are attached to the ends of a rope. A student holds the heavier block and lets the lighterblock hang below it, as shown. Then she lets go. Air resistance can be neglected.a. What is the tension in the rope while the blocks are falling, before either hits the ground?b. Would your answer be different if she had been holding the lighter block initially?
SA3. A block is given an initial velocity of 5.00 m/s up a frictionless 20.0° incline. How far
up the incline does the block slide before coming to rest?
SA4. A man is pulling a crate along a concrete floor. This time, let's be specific. The
crate has a mass of 100 kg and the man pulls with a force of 1 250 N. The coefficient of
friction between the crate and the floor is 0.2. What is the acceleration of the crate?
SA5. A horizontal force of 80 N is used to pull a 20 N wooden box moving toward the right
along a horizontal, wood surface as shown.
Calculate the magnitude of the frictional force acting on the box.
Determine the magnitude of the force acting on the box.
Determine the mass of the box.
Calculate the magnitude of the acceleration of the box.
A 2200 kg truck has put its front bumper against the rear bumper of a 2400 kg SUV to give it a push. With the engine at full power and good tires on good pavement, the maximum forward force on the truck is 18,000 N.a. What is the maximum possible acceleration the truck can give the SUV?b. At this acceleration, what is the force of the SUV’s bumper on the truck’s bumper?
Chapter 5 Solutions
College Physics: A Strategic Approach (3rd Edition)
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