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A 65 kg crate slides on a rough plane inclined upward at an angle of 28 degrees, what is the magnitude of the sliding friction force on the box, what is the coefficient of kinetic friction between teh
An aircraft performs a maneuver called an aileron roll. During this maneuver, the plane turns like a screw as it maintains a straight flight path, which is the acceleration of the wing tip
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 6000 N/C, Find the magnitude of the net electric field at x = -0.18 m
A 1 uF capacitor is charged when it is connected across a 9 V battery, Find the final charge and the voltage across the plates for the 1 uF and 2 uF capacitor
A 9.0 x 10 -2 ice cube at 0.0C is dropped into a Styrofoam cup holding 0.35 kg of water at 12C, Find the amount of ice remaining
A 1.00 uF capacitor is connected in parallel with a 2.00 uF capacitor. The 1.00 uF capacitor carries a charge of +10.0 uC on one plate, Find the equivalent capacitance of the two capacitors
A sudden gust of wind gives the boat an acceleration a, What is the boat's direction 6.4s later when the gust subsides
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.7692 N when separated by 50 cm, center-to-center, What were the initial charges on the spheres
A positive charge of 3.2×10-9 C is brought in from infinity to a point (2m,0), How much work did the electric field do
A sudden gust of wind gives the boat an acceleration a, What is the boat's speed 6.4s later when the gust subsides
The treasure map in the figure gives the following directions to the buried treasure, Which direction should you go to reach the treasure and How far should you go to reach the treasure
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and the cloud to be the other plate, What is the capacitance of the system
The resistance of a silver wire is to be calibrated for low-temperature measurements. A silver wire with a resistance of 1.15, what is the expected resistance of the silver wire at -196 °C
A 480 W heating coil designed to operate from 100 V is made of Iron wire 0.548 mm in diameter, calculate the length of wire used
On a clear day the electric ?eld in the atmosphere near the earth's surface is 100 N/C, What is the potential at the top of a man's head if the man is 2 m tall and is standing
A cylindrical 98.50 ? resistor is made from a coil of copper wire whose total mass is 74.0 g, What is the diameter and lenght of the wire
You throw a ball straight into the air from a height of 4 feet and with a speed of 5.02 m/s, How far are you from the ball, the moment it hits the ground
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
The drawing shows an equilateral triangle, each side of which has a length of 2.23 cm. Point charges are fixed to each corner, Determine the charge qA and qB
A 1.9 kg object that stretches a spring 8.8 cm from its natural length when hanging at rest oscillates with an amplitude of 6.5 cm, Find the total energy of the system
A car travels along a straight east-west road. A coordinate system is established on the road, how far from Mulberry Road did it start
A converging lens (f = 14.6 cm) is located 31.4 cm to the left of a diverging lens (f = -7.91 cm), Find the overall magnification
A tourist takes a picture of a mountain 14 km away using a camera that has a lens with a focal length of 50 mm, What is the ratio of the height of the mountain's image on the camera's image
A girl delivering newspapers covers her route by traveling 9.99 blocks west, 4.00 blocks north, and then 1.00 blocks east