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A cart is placed on an inclined plane (a wooden board which is seton an angle) and attached to a pulley by a rope at the end of thewooden board. On the other side of the rope, hanging below theinclined plane is a weight. When let free the pulley system movesin a manner in which the weight moves towards the ground and thecart moves forward on the board. The question is when the cartreaches it's maximum speed and how to figure out the value for thatspeed given only the mass of the cart and weight and anydistance/length measurements required.
Two coins, carrying identical charges, lie 1.5 m apart on a table and a coin experiences a force of 2.0 N, How large is the charge on each
The wind resistance on the package can be neglected. When releasing the package, at what angle?(in degrees)down from the horizontal must the pilot see the target for the package to land on the target?
The ramp is slanted at an angle of 17.0 degrees to the horizontal. Illustrate what is the coefficient of kinetic friction between the block and the ramp?
A certain photon after being scattered from a free electron at rest moves at an angle of 120° with respect to the incident direction. what is the wavelength of the scattered photon
0.110kg stone rests on a frictionless, horizontal surface. A bullet of mass 9.00g , traveling horizontally at 370m/s, Compute the magnitude of the velocity of the stone after it is struck
A 4.1-m-tall, 30-cm-diameter concrete column supports a 2.0×10^5kg load. By how much is the column compressed
A cube of ice is taken from the freezer at -8.50C and placed in a 95-g aluminum calorimeter filled with 310 g of water at room temperature of 200C. Find the mass of the ice cube
A 9.59-g bullet, moving horizontally with an initial speed v0, embeds itself in a 1.45-kg pendulum bob that is initially at rest. Find the initial speed of the bullet.
We accelerate electrons between two parallel plates a few cm apart. We apply 2.05 MV across the plates. Find the momentum of the electron
The counterbalance w1 weighs 100 N. Find out the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm, occupy the same region of space (are superimposed). What is the amplitude of the resulting wave in that case
A fireman d = 46.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi = 38.0°, at what height will the stream of water strike the building
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