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One car of mass 15.0kg is moving 5.00m/s to the right on a frictionless track and collides with a cart of mass 3.00kg. the final velocity of the carts that become stuck together after the collision is 1.50m/s to the right. find the velocity of the second cart before the collision.
An isolated capacitor of unknown capacitance has been charged to apotential difference of 125 V. When thecharged capacitor is disconnected from the battery and thenconnected in parallel to an uncharged 10.0 µF capacitor, the voltage across the com..
To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens) at high speed. What was the raven's speed right after the collision
What is magnitude of the difference in frequency
A playground is on the flat roof of a city school, 7.00 m above the street below. The vertical wall of the building is 8.00 m high, forming a 1.00 m high railing around the playground. Find the speed at which the ball was launched
A ladder of length L = 2.3 m and mass m = 19.0 kg rests on a floor with coefficient of static friction ?s = 0.49. Assume the wall is frictionless. What is the normal force the floor exerts on the ladder
Ultrasound with a frequency of 4.25 MHz can be used to produceimages of the human body. What is the wavelength in the body
q1. a small metal bead labelled a has a charge of 29 nc. it is touched to metal bead b initially neutral so that the
A uniform rod rotates in a horizontal plane about a vertical axis through one end. The rod is 6.00?m long,weighs 11.0?N, and rotatesat 210 rev/min clockwisewhen looked at from above.
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
A 3.6 m long steel wire has a cross-section area of 0.047 cm2. Its proportional limit has a value of 0.0015 times its Young's modulus, What is the maximum weight that the wire can support
Batteries consist of an ideal source of potential dissimilarity in series with a small resistance. The electrical energy of the battery is produced with chemical reactions that occur in the battery. But, these reactions also result in a small resista..
what are the direction and magnitude of your total displacement if you have traveled due west with a speed of 20.0 ms
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