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Take west to be the positive direction. What is the boat's acceleration, with correct sign?
Assume the ocean will have a consistent density of 1.00 x 10^3 kg/m^3 all the way down.
The hand generating the pulses moves up and down through a complete cycle 2.74 times every 6.48 s. Find the velocity of the wave.
Where would a positive test charge have the least potential energy?
What is the electric flux through the surface of a sphere that has this charge at its center and that has radius 0.157 m ?
What is the relationship between temperature and absolute brightness?
The tenth interference minimum (dark fringe) is observed to be 7.26mm from the central maximum. Determine the spacing of the slits.
Assume the following configuration of static electric E and magnetic B fields, (a) derive the trajectory of the charge particles.
Accelerates a 2.5-gram ping-pong ball from rest to a speed of 300 m/s in a distance of 1.8 meters. What is the average force on the ping-pong ball?
World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15m/s2.
What is the velocity of the dog and the skateboard together (after the dog jumped on it)?
What is the ratio of the new kinetic energy to the original kinetic energy of a moving car when the ratio of the new speed to the original speed is 1/7?
During the time you talk from mission control to one os the astronaunts the shuttle travels at 820 km. How long were you talking to the astronaut?
The coefficient of kinetic friction between the box and the ramp is 0.115, and the rope pulling the box is parallel to the ramp.
100 V is applied between the plates, how much charge is there on each plate? How much energy is stored in the capacitor in part a?
How long is the skateboarder in the air? With what velocity does the skateboarder land on the slope?
The rain is falling with a velocity of which has both an x-component as it blows sideways and a y-component as it falls.
What did the voltage across the capacitor do when you first closed the circuit?
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.