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A block of mass 10 kg is resting on a frictionless ramp. The ramp is free to slide on a horizontal, frictionless table and has a mass of 40 kg. The angle of the ramp is 37 degrees. Draw free body diagrams for the block and for the ramp. Clearly labeling all forces. Write down the equations of motion. What is the acceleration of the ramp? What are the components of the acceleration of the block on a coordinate system that is attached to the table?
A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following, What is the lamp's mass
It is important for the body to have mechanisms to effectively cool itself; if not, by how much would his body temperature rise during this exercise
In a ballistics test, a 25.0g bullet traveling horizontally at 1200m/s goes through a 40.0cm -thick 350kg stationary target, What average force does the bullet exert on the target
An AC generator is to have a maximum output of 346 V. Each coil has an area of 0.149 m2 and a resistance of 16.6 %u03A9, Find the maximum current induced in the coil
q1. starting from rest an13 kg block slides13.3 m down a frictionless ramp inclined at 30? from the ?oor to the bottom.
The cable of a hoist has a cross-section of 80 mm2. The hoist is used to lift a crate weighing 500 kg. How much will it extend if it is made of steel
Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can while it reaches bottom.
The current through a lamp connected across 120 V is 0.48 A. the resistance when the lamp is on is 250 ohm When the lamp is cold, What is the current through the cold lamp
A 78.0kg skydiver can be modeled as a rectangular "box" with dimensions 21.0cm × 41.0cm × 185cm. What is his terminal speed if he falls feet first
An automobile with 0.200 m radius tires travels 70,000 km before wearing them out. How many revolutions do the tires make
A hawk is flying horizontally at 17.0m/s in a straight line, 160 m above the ground. A mouse it has been carrying struggles free from its grasp. The hawk continues on its path at the same speed for 2.00s before attempting to retrieve its prey.
An organ pipe is a closed-ended air column. If its bottom note has a frequency of 20 Hz (close to the lowest audible frequency), then how long is the column
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