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A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g object and release it 1.50 from the table edge. Unfortunately, you push a little too hard. The object slides across, sails off the edge, falls 1.50 to the floor, and lands 50.0 from the edge of the table.
If the coefficient of kinetic friction is 0.600, what was the object's speed as you released it?
An astronaut on the space shuttle traveling at a speed of 0.70 c is holding a meter stick parallel to the direction of motion
When red light in a vacuum is incident at the Brewster angle on a certain type of glass, the angle of refraction is 39.0°. What is the index of refraction of the glass
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A circular metal loop is 26.0 cm in diameter. How large a current must flow through this metal
A car of mass 1500 kg traveling at 24 m/s is at the foot of a hill that rises 115 m in 2.2 km. Find the average power delivered by the car's engine
A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 15.0° above the horizontal. What was the truck's initial speed
The concrete encloses one steel reinforcing rod with cross-sectional area 1.00cm2. The rod joins two strong end plates. The cross-sectional area of the concrete perpendicular to the rod is 47.5 cm2. Young's modulus for the concrete is 3.00 x 10^10 N/..
In fact, the increased normal force at these large angles makes force of friction too large to move the lawnmower at all.
A tank of water sits at the edge of a table of height 2m. The tank springs a very small leak at its base, and water sprays out a distance of 1.4 m from the edge of the table. What is the water level h in the tank? (Assume the tank is open to the a..
Two long parallel wires seperated by 50cm both carry currents of 4.0 A in the same vertically up direction. Find the magnetic field midway between the wires
Suppose a light bulb is rated for a voltage of 1.8 V. At this voltage is draws a current of 0.054A, Using Ohm's Law, determine the resistance of the bulb
How many joules of kinetic energy does a 750-{rm kg} automobile travelling at the typical highway speed of 65 {rm{ mi/h}} have.
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