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This is a problem about a child pushing a stack of two blocks along a horizontal floor.
If the driving shaft speed is 500 rev/min, determine the maximum and minimum speeds of the driven shaft.
What is the function of chip breakers? Name any two conditions for continous chip formation while machining.
What is the measure of metal removing process machinability? What are the factors that affect it?
The top block is held in place by a chain and cannot move to the right. The coecient of static friction between the blocks, and between the lower block.
Some common types of forces that you will be dealing with include the gravitational force (weight), the force of tension, the force of friction, normal force.
What is the minimum depth (measured to the top of the Batbox) that the Batbox can be below the surface of the water for the Caped Crusader.
Determine the rotational velocity of the platform.
Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats?
Use the impulse-momentum theorem to explain why landing on an air-filled bag.
Explain the advantages and disadvantages of nuclear energy, detailing issues related to production, delivery, cost, radiation, air quality, and waste.
What is the magnitude of the circuit current? What is the current in one of the 10.0 ohm resistors?
The purpose of this problem is to examine various aspects of a laser telemetry system implemented by NASA during the Apollo lunar missions.
What is the speed of an electron whose kinetic energy equals its rest energy? Does the result depend on the rest mass?
How can you make your motor run in reverse? Make sure to try it.
Suppose that you and two friends are discussing the design of a roller coaster. One friend says that each summit must be lower than the previous one.
On a screen 1.20 m away, what is the distance between (a) the two second-order bright fringes; (b) the central maximum and one of the fourth dark fringes;
The ant started with an angular speed of 3.2 a -3 rad/s and accelerated steadily at a rate of 6.0 s -4 rad/s2 until its angular speed was tripled.
A 1.0-mW laser with a 405-nm wavelength illuminate a sodium target. If 1 in 105 incident photons generates a photoelectrons. What is the photocurrent?
A jet fighter flying at 300 m/s (just below the speed of sound) makes a turn of radius 2.65km. What is its centripetal acceleration in gs?
What is the angle of refraction? Compare your answer to the angle of refraction in question 1.
As a function of the angle of the forearm with respect to the horizontal direction (as the forearm is lowered) calculate the tension in the bicep muscle.
Compare the milk bottle where the cream is still uniformly mixed with the milk, to the same milk bottle later on when the cream has separated.
What static friction coefficient would be required between the 2 kg mass and the table to stop the masses from accelerating?