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Q: This problem is about non-inertial frames. In the standard version the inclined plane is fixed to the ground and it does not move. In this version, the wedge can - and it will - move as the object descends. Recall how you solved the problem in your introductory physics course and change the solution to solve this modified version. No new knowledge is necessary; you could have solved this problem in that course.
A wedge of mass M and angle ? is placed on a flat frictionless surface. A crate of mass m is placed on the wedge at height h and starts sliding down the wedge without friction. Find the acceleration of the crate and the wedge relative to the ground. How long does it take for the crate to reach the bottom of the wedge?
A copper block is suspended from a wire, as in part 1 of the drawing. A container of mercury is then raised up around the block, Find the ratio of the fundamental frequency of the wire in part 2 to the fundamental frequency in part 1
A ship's anchor weighs 5000 N. Its cable passes over a roller of negligible mass and is wound around a hollow cylindrical drum of mass 380kg and radius 1.10m. The drum is mounted on a frictionless axle. The anchor is released and drops 16 m to water.
The front 1.20 m of a 1600 kg car is designed as a "crumple zone " that collapses to absorb the shock of a collision. what is the magnitude of the average force on the car
A 19.6cm diameter coil consists of 40 turns of circular copper wire 1.7mm in diameter. estimate the current in the loop
Two friends, Al and Jo, have a combined mass of 164kg. At the ice skating rink, they stand close together on skates, at rest and facing each other.
A solid has a volume of 8cm3. When weighed on a spring scale calibrated in grams, the scale indicates 20g. What does the scale indicate if the object is weighed as immersed in a liquid of density 2g/cm3.
Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go, Calculate the buoyant force on a 2.00 L helium balloon.
Consider the arrangement shown in the figure below. Assume R = 4.00 ? and scripted l = 1.40 m, At what speed should the bar be moved
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.979 rad/s. Calculate the total angular momentum of the system
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns during an angle of 440 rad as it coasts to a..
A 0.24 meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 8 toward that end. Is the mass of necklace more than, less than, or the same as that of the meter stick.
If a car travelling at 63 km/h will skid 18 m when its brakes lock, how far will it skid if it is travelling at 150 km/h while its brakes lock.
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