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An object of mass .10kg makes an elastic head on collision with a stationary object with a mass of .15 kg. The final velocity of the .10kg object after the collision is -.045m/s. What is the initial velocity of the .10kg object?
The vertical deflecting plates of a typical classroom oscilloscope are a pair of parallel square metal plates carrying equal but opposite charges. Typical dimensions are about 3.4cm on a side, with a separation of about 4.6cm . The plates are close e..
Classical Mechanics: Projectile Motion, A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.80 m/s at an angle of 21.0° below the horizontal. It strikes the ground 3.00 s later.
A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. Determine the length of the lake
Physicists model a magnetic field by assigning to every point in space a vector that represents the strength and direction of the field at that point, What is the combined magnetic field at this point
A stone dropped into a pond generates a travelling wave group approximately 1 m long; the waves within the group have a wavelength of about .1 m Estimate the range of the wavevector spectrum representing the group.
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. Determine the average velocity of the fish for the entire process of jumping and swimming underwater
A point like charge of +20nC sits at the center of a thick spherical shell of inner radius 4cm and the outer radius 6cm. The shell is made of copper and has a net charge of -10nC. Describe the distribution of charge on the conductor
662 kev photons are emitted as a result of the deay of 137cs the photon undergo compton scattering. what is the minimum energy of compton scattered photon? what is the max compton electron energy?
A 1.70-kg block slides with a speed of 0.985 m/s on a frictionless horizontal surface until it encounters a spring with a force constant of 695 N/m. Calculate the kinetic energy of the block
An uncharged capacitor and a resistor are connected in series to a battery, as shown in the figure above. If V = 14.0 V, C = 5.30 µF, obtain the time constant of the circuit
The rear window of a car consists of thirteen thin wires (resistivity = 88.0 * 10^-8 ohms) embedded in the glass. Find the cross-sectional area of each wire
A force, 20N, is applied to a 2 kg block on a tabletop with a coefficient of friction of 0.3. The force is applied to the right, above the horizontal at 60 degrees.The object is pulled to the right along the surface for a distance of 5m. What work wa..
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